Jumping the pond becomes easier with the Population of Sweden 1860-1947

The biggest challenge for many persons with Swedish American ancestry is to identify where in Sweden their ancestor came from and his/her Swedish name. For many beginning their research, often one has limited or incorrect information. Many emigrants changed their name and often little information was passed down to the next generation.

But today, it is becoming much easier to find out where an ancestor originated from in Sweden by using the Population of Sweden 1860-1847 index. Even when the information might be incomplete or incorrect, this riddle often now can be solved. The Population of Sweden 1860-1947 index is a searchable name index of all the household/congregation books for all of Sweden for the years between 1860 and 1947.

Here is an example of a search request. The request is to locate where in Sweden, Swain Pearson, originated. Given information includes a birth date of the 6th of October 1860. Two different emigration dates appeared in the U.S. sources: 1877 and 1875.  The father’s name was Paer Pierson and the mother’s name was Hannah Swans. Also, a sister was named, Bessie Pearson Moline born on the 11th of October 1852 whose emigration dates in the U.S. records were recorded as 1877 and 1866.

One needs to be flexible in the search and use various search criteria. The advanced search offers a variety of possibilities. In this case, we will try a search based on an assumption that the birth dates are correct for Swain and his sister, Bessie. It is better to start wide and then narrow the search.

sven advanced search 1

 

advanced search 2

We were successful in finding the correct person by doing the following as shown in the above image.

  • Go to Index Search
  • Select the Population of Sweden 1846-1847 under Index Source
  • Got to Advanced Search and enter the following information in the following fields:
  • First Name – Look for name beginning with letter S or enter S*
  • Gender – Male
  • Birth date – 1860-10-06

Under the Household section – enter the sister’s birth date – 1852-10-11.

By doing this search, we receive two hits, both for Sven born on the 6th of October 1860 in Djurröd parish in Kristianstad county.

result list sven

We also see in the index record below that he has a sister, Bengta, born on the 11th of October 1852.

sven index record

In doing further verification with other records, this was the correct person. Luckily, the given birth dates were correct. On the index record, Sven’s father is noted as Per Lustig and his mother’s name is Hannah Nils or Nilsdotter. Sven emigrated in 1880. His sister Bengta later known as Bessie emigrated in 1872. One sees the challenges working with incomplete and often incorrect information but with the Population of 1860 – 1947, many of these challenges can be overcome.

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Population of Sweden 1940 Now Available in ArkivDigital

The Population of Sweden 1940 is now searchable in ArkivDigital! With some simple searches and clicks, it is now possible to find information about approximately 6.3 million Swedes who lived in Sweden on the 31st of December 1940.

The source material for the Population of Sweden 1940 consists of the extracts sent to Statistics Sweden that were used to create the 1940 census. Most of the extracts are from the source titled: “Utdrag ur församlingsbok den 31 december 1940 och mantalsuppgift för år 1941 (Extract out of the congregation book on December 31,1940 and tax information for the year 1941)”. However, in Stockholm City, no congregation books were created for most of the large parishes at that time. The source for the population census for these parishes comes from “Utdrag ur Stockholms stads civila folkregister den 31 december 1940 och mantalsuppgift för år 1941 (Extract from Stockholm City population register on December 31, 1940 and tax information for the year 1941)”.

scb 1940 stockholmExtract from Stockholm city (Sankt Görans congregation). Statistiska Centralbyrån (SCB) – 1940 års folkräkning H1AA:14 (1940) Image 20 / Page 2501 (AID: v884572.b20.s2501, NAD: SE/RA/42040113)

soderby 1940 extractExample of extract from congregation book (Söderby-Karls parish). Statistiska Centralbyrån (SCB) – 1940 års folkräkning H1AA:93 (1940) Image 20 / Page 1 (AID: v884651a.b20.s1, NAD: SE/RA/42040113)

In the Population of Sweden 1940, you can search for the following information:

  • First and last name
  • Birth date and birth place (parish, county and country)
  • Gender
  • Location (property, village, or block)

In addition, other persons living in the same household can be included in the search criteria.

search 1940 astrid lindgrenSearching for Astrid Lindgren (author of Pippi Longstocking books) in the Population of Sweden 1940.

You can click on the link to the source and you will see an image of the original source. The original record contains information that is not included in the index record. Often, you will find the person’s occupation and sometimes the person’s employer. Employer information can be interesting because this is usually not included in the church books.

The Population of Sweden 1940 complements our other census databases: Population of Sweden 1950, 1960, 1975 and 1985 as well as the Population of Sweden 1860-1947. It may be noted that the Population of Sweden 1940 and the Population of Sweden 1860-1947 overlap but in fact they nicely complement each other. The Population of Sweden 1940 gives a snapshot of the population on a certain date (December 31, 1940) whereas the Population of Sweden 1860-1947 is an index of the household/congregation church books and allows one to follow a person continuously, year by year.

The Population of Sweden 1940 consists of the entire population of Sweden in 1940 whereas in the Population of Sweden 1860 to 1947, the end year for many parishes is in the 1930’s or even earlier because some of the books contain later years that are protected from being published online by Swedish privacy legislation. In addition, information for many persons living in parishes within Stockholm City is missing since congregation books were not created in those parishes after the year 1877. While in the Population of Sweden 1940, information about the population of Stockholm City is included.

To access the Population of Sweden 1940, one must have an All-in-one subscription and it is only available in the web version of our software which you can fine here: https://app.arkivdigital.se. In order to find the index, go to Index search and then select “Population of Sweden 1940” in the Index source list.

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Moving Certificates between Swedish American Congregations

In an earlier blog (see earlier blog), we wrote about moving out certificates (flyttningsbevis) from parishes within Sweden that have been preserved by some Swedish American churches.

In some Swedish American churches mostly the Lutheran, the minister would note persons joining the congregation and leaving the parish in a separate section of the congregation book. Usually the section showing persons joining the congregation is titled, Reception of new members (Intagna medlemmar) and the section showing people leaving the congregation is titled, Dismissal of members (utträdda medlemmar).

When a person was dismissed or removed from a congregation primarily within the Augustana Lutheran churches, sometimes the person would be given a certificate of removal. These certificates from one Augustana congregation to another came to serve as a pass to the congregation that was active at the new place of residence.

Some of the certificates of removal or transfers are available for some congregations within ArkivDigital. Below is an image of the moving certificate for Anders Peter Falk and his family that is in the archive for the Council Bluffs Emanuel Evangelical Lutheran Church in Iowa showing the family moving from St. John’s Church (St. John’s Lutheran Church) in Essex, Iowa to Council Bluffs in 1893.

transfer certificateCouncil Bluffs Emanuel Evangelical Lutheran Church, Iowa, USA (IA) Vol:5 (1878-1894) Image 7 (AID: v903227.b7) 

The certificate gives the date of birth and place of birth for all members of the family.

  • Anders Peter Falk born on the 27th of July 1838 in Vena (Hvena) parish in Kalmar county
  • Margareta Charlotta born on the 8th of June 1848 in Lönneberga parish
  • Anna Elenora born on the 22nd of May 1881 in New Windsor, Illinois
  • Ella Victoria born on the 6th of January 1884 in Essex, Iowa

The record also states that Anders Peter Falk emigrated from Sweden in 1854 and Margareta Charlotta emigrated in 1859. It also shows that they joined the church in Essex, Iowa in 1883. Note – remember this is a secondary source so all information should be verified. But this is a wonderful record showing where the parents came from in Sweden and some of their moves within North America. Unfortunately, not many of these records were preserved.

Whenever there are moving certificates either from a parish in Sweden or from another Swedish American parish in North America, you will find these volumes in the parish archives titled, Attachments to migration records.

You can find out if a particular North American congregation has a volume titled, Attachments to migration records by:

  • Go to archive search.
  • Select the country, United States.
  • Select the desired state.
  • Select the desired congregation.
  • Search the volume list.

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Search by name in the Swedish historical records!

One common question that one hears from Swedish-Americans new to Swedish records, “Are the records searchable by name?” Today, we can say that increasingly more and more Swedish records such as the church books, estate inventories and other record types are searchable by name.  One of ArkivDigital’s primary goals is to make Swedish research easier and one method is name searchable indexes.

search population of 1860 to 1947Searching in the Population of 1860 to 1947 Index

Today, we will review the name searchable indexes that are available in ArkivDigital’s All-in-one subscription.

Church Books

  • Household/Congregations Books (Population of Sweden 1860-1947) – All of the household/congregation books for all of Sweden have been indexed by name for the years from 1860 to 1947. For more information, click here.
  • Birth, marriage and death book indexes – (Birth index- parts of Sweden, Marriage Index- parts of Sweden, Death index- parts of Sweden) Searchable name indexes for birth, marriage and death books for all of the parishes within Kronoberg county and some parishes in nearby counties, around 60 parishes in Södermanland county as well as Nederluleå parish in Norrbotten county. Most of these indexes are from the earliest times (1600’s) up to the second half of the nineteenth century. The end year varies by parish. For some parishes, the end year is 1920. This is an ongoing project and the goal is to index by name the birth, marriage and death books for all of Sweden. Click here for more information.

Estate Inventories (Inventory of estate)

  • Name searchable indexes exist for estate inventories from the following counties: Gotland, Gävleborg, Göteborg och Bohus, Jämtland, Jönköping, Kalmar, Kronoberg, Norrbotten, Stockholm, Uppsala, Värmland, Västerbotten, Västernorrland, Älvsborg and Östergötland. This is an ongoing project. For a complete list of the district and city courts that have been indexed, click here.

Swedish Census Indexes

  • ArkivDigital has searchable name indexes for the years 1950, 1960, 1975 and 1985. Click here for additional information.
    • Population of Sweden 1950
    • Population of Sweden 1960
    • Population of Sweden 1975
    • Population of Sweden 1985

Military records (Military Service Cards)

  • The Military Service Cards index is a name searchable index of all draft registration and service cards for those who served in the Swedish military between 1902 and 1941. Click here for more information.

Swedes in U.S. 1940 Census

  • The Swedes in U.S. 1940 Census index includes all the persons in the 1940 U.S. Census who stated that their birth place was Sweden. Click here for more information.

Other indexes

  • Portrait Collection – Collection of photographs from three Stockholm photography studios from the 1920’s to 1970’s. Click here for more information.
  • Agriculture Census 1944 - Index to 1944 year’s agriculture statistics done by Statistics Sweden (SCB). Click here for more information.

To access the name searchable indexes within ArkivDigital’s All-in-one subscription:

  • Access the web version by going to https://app.arkivdigital.se/
  • Select “Index Search”.
  • Select the desired index under “Index source”.

search by name

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More birth, marriage and death searchable name indexes!

A few months ago, ArkivDigital published a name searchable index for birth, marriage and death records for all the parishes within Kronoberg county from the earliest times to the year 1859.(See previous blog.) We announced earlier that we would be adding indexes for later years for parishes in Kronoberg as well as for some parishes in neighboring counties. Now the publication has been completed.

 

The end year in the index does vary by parish. In general, most of the indexes for the birth records go up to 1920 and the marriage and death indexes go up to 1944. But in many parishes the end year is earlier. Regarding indexes for parishes in neighboring counties (primarily Blekinge and Jönköping counties as well as a couple of parishes from Kalmar and Kristianstad counties), the number of years that have been indexed varies. You can find out what parishes and what years have been indexed at the following links:

The register was created by the Kronoberg’s Genealogical Society and can be published thanks to an agreement between the association and ArkivDigital.

 Searching in Death index, parts of Swedendeath record kronoberg search

Our goal is to gradually expand our church book indexes so that they eventually cover all of Sweden. Of course, we are still just beginning, but through partnerships with genealogical societies, other organizations and private individuals, we can hopefully achieve this goal within the not too distant future.

In order to access ArkivDigital’s birth, marriage and death index, one needs to have an All-in-one subscription. The index is only available in the web version of our software, which you will find at https://app.arkivdigital.se. In order to find the index, select “Index search” and then in the list below index source select “Birth index, parts of Sweden”, “Marriage index parts of Sweden” or “Death index- parts of Sweden”.

Read the original blog in Swedish.

ArkivDigital

Population of Sweden 1860-1947 now searchable!

Just over a year ago, ArkivDigital’s largest name searchable index, the Population of Sweden, was expanded by ten years from 1860-1920 to 1860 to 1930. Now, we have added 17 more years. The index now covers the years from 1860 to 1947.

The Population of  Sweden 1860-1947 is Sweden’s largest name searchable index and today contains approximately 105 million index entries collected from 37,597 volumes. The index is not only the largest available in Sweden; it is the easiest to use. All search results link directly to the original record. You click the link and immediately find your relative in the original volume! How much easier can it be!

1860 to 1947Searching in the Population 1860-1947 Index

The index is a name searchable index of all persons in the household/congregation books between 1860 and 1947. The household/congregation books are an inventory of each household living in the parish organized by the place in the parish (for example, farm, village, estate). Each volume covers a series of years. You will see some that cover five years and many that cover more than ten years. Household/congregation books are covered by the privacy law within Sweden that protects some records younger than seventy years from being published online. So, it a book include years that are protected by the privacy law, it has not been photographed. Thus, a book covering the years 1930 to 1950 will not be available.

Also, please note that in many of the large parishes within the city of Stockholm, household records were not created after 1878 and thus you will find no indexes. You will find index entries for most people living in Stockholm city from 1860 to 1877.

The index Population of Sweden 1860-1947 is included in ArkivDigital’s All-in-one subscription. You can find the index in the application by selecting, New index search and then select, Population of Sweden 1860-1947 under index source.

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Name Searchable Indexes for Birth, Marriage and Death Records in Kronoberg County

For those who research in Kronoberg, we have some wonderful news! Name searchable indexes for all of Kronoberg county have now been added to ArkivDigital’s birth, marriage and death register, which so far has included around sixty parishes in Södermanland county.

The name searchable indexes for birth, marriage and death records for Kronoberg county are from the earliest times (1600’s) through 1859. Later this autumn we will be adding indexes for later years as well as indexes from certain parishes in the neighboring counties.

The index was created by the Kronoberg Genealogical Society (http://genealogi-kgf.se/index.html) and the index entries are being published thanks to an agreement between the society and ArkivDigital.

death record kronoberg searchSearching in death index, parts of Sweden

Our goal is to gradually expand our church index registers so that they eventually cover all of Sweden. Of course, this is still a big task and will take some time, but through cooperation with associations, private individuals and our own efforts, ArkivDigital will achieve the goal in the not-too-distant future.

Click here to see a list of all parishes where name searchable indexes are available for  death records.

In order to access the birth, marriage and death indexes, one must have an All-in-One subscription and the indexes are only available in the web version of our software which you can find here: https://app.arkivdigital.se.

Click here to read the original blog in Swedish.

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Getting Started in the Swedish Church Books

Are you new to Swedish research? Swedish research is extremely rewarding because there are so many types of records and they are very complete. But before you begin, you must know your Swedish ancestor’s Swedish name, place or parish of origin in Sweden and a significant date such as a birth date. If all you know is that your Swedish ancestor’s name is Charles Johnson, you have a little more work to do before you jump the pond. For information on how to search for more details about your Swedish ancestor, click here.

But, let us say you are now successful and have discovered that your ancestor’s Swedish name was Carl Johan Johansson and he was born in Habo parish in Skaraborg county on the 10th of February 1819, you are ready to jump the pond and research in the Swedish records. Today, we will walk you through the steps for searching for Carl’s birth record and the corresponding household record in ArkivDigital.

We enter the application: app.arkivdigital.se and then select New Archive search. Since we know the name of the parish, we can enter, Habo, in the search box and the archive box for Habo will appear.

search habo

Click on Habo and you will see a list of all the volumes that are available for this parish. In this case, there are 122 volumes. Search for a birth book that includes the year 1819.

search habo birth book

You will see that there are two birth books that contain births for the year 1819:  C:10 Birth and Christening records 1801-1820 and C:11 Birth and Christening records 1801-1827. When one sees two books that cover the same period, it is always good to look at both books. They can often contain different information.

By looking further at book C:10 Birth and Christening records 1801-1820, we see that that there is a circle with an “i” before the words birth and christening records. This means information and if you put your mouse over the “i”, you will see the notation, “register till födelseböckerna” or register to the birth books.

hove birth register

When we look at this book, we see it is an index organized by first given name and then birth year. Note -you will not encounter this type of birth index in many parishes. But remember before the mid 1800’s, the information can vary by time and minister.

In browsing this book, we will find a page for Carl’s and you will find the information for Carl Johan in the section for Carl’s born in the year 1819.

carl birth index recordHabo (F, R) C:10 (1801-1820) Image 16 / Page 25 (AID: v34105.b16.s25, NAD: SE/VALA/03256)

The information shown in the above index record includes:

  1. Second given name – Joh. or abbreviation for Johan
  2. Parents’ first names: Johan, Katrina
  3. Residence in parish – Sållarhemmet (line above the letter m represents a double m).
  4. Year – 19 or 1819
  5. Day of month – 10
  6. Month – 2 or February

The book C:11 Birth and Christening records 1801-1827 contains the actual birth records. It is always good to look in the front of the book and check for a table of contents. There may be multiple types of records in the volume and the table of contents will show on what pages the various types of records begin. In this case there is not a table of contents and the births are arranged in chronological order. Open the book and look for birth records for the year 1819 and then the month, February, and then the day, the 10th. Below is the birth record for Carl Johan.

carl johan birth recordHabo (F, R) C:11 (1801-1827) Image 109 / Page 213 (AID: v34106.b109.s213, NAD: SE/VALA/03256)

The record contents are:

  1. Birth date – 10 (February 10, 1819)
  2. Baptismal date – 11 (February 11, 1819)
  3. Child’s given name – Carl Johan
  4. Parents’ names – Johannes Larsson and Kathrina Andersdotter
  5. Residence in parish – Sållarehemmet
  6. Baptismal witnesses – And. Carlsson och (and) D. H. dess hustru or his wife Stina at Skogshemmet
  7. Mother’s age – Between 25 and 30

The next step is to find out more information about the family by going to the household book that includes the year 1819. Now we return to the Habo archive and search for the household book that contains the year 1819. We find the book, AI:4 Household records 1814-1820.

search habo household book

The household books are organized by place name. In most household books you will find a place name index in the front or back of the book. Open the book and search for a place name index or ortregister. Then look for Carl Johan’s residence, Sållarehemmet, in the place name index.

habo place name indexHabo (F, R) AI:4 (1814-1820) Image 5 (AID: v20176.b5, NAD: SE/VALA/03256)

The place name index states that the records for the place, Sållarehemmet, begin on page 206. Now there may be one page for the place or many pages, but the page number shown in the index is the start page for the search for the family. We now go to page 206.

hova household recordHabo (F, R) AI:4 (1814-1820) Image 110 / Page 207 (AID: v20176.b110.s207, NAD: SE/VALA/03256)

In this case we find the family on page 206. Below is the information that is shown for the family:

  • (Father) äg. (abbreviation for ägare) owner or landowner Johannes Larsson born on the 6th of May 1782 in Loco Loco is a Latin term meaning here or in Habo parish. Note – further research will show that the birth date is incorrect and is actually the 15th of May 1782.
  • (Mother) H. (abbreviation for hustru or wife) Catharina Andersdotter born on the 6th of May 1790 at loco or in the parish of Habo.
  • Son Anders born 9th of May 1813 loco or in Habo. There is also a notation that he has died.
  • Son Gabriel born on the 23rd of April 1816 loco or in Habo. There is a notation that he died in 1817.
  • Flicka (Girl) Stina Svensdotter born on the 15th of October 1803 in Ekebo. There is a notation that she moved here in 1816 from Ekereds torp and moved out in 1817 to V. Ekered. More research is required to check to see if she is just a worker or if she has some relationship to the family.
  • (Son) Carl Johan born on the 10th of February 1819 in loco or Habo.

Since there are no notations that the family has moved in or out, we can assume that the family is living at the same place, Sållarehemmet, in the subsequent household book. We can continue to trace Carl forward in the household books until his emigration.

Also, from this record, we have enough information, that we can look for birth records for other members of the household. Also, please note that sometimes the minister will note the incorrect birth date information in the household record such as was the case for the father, Johannes Larsson. If there is a discrepancy between the birth dates in the birth record or household record, you should always use the information shown in the birth record.

For more information about researching in the church books, go to the following links:

ArkivDigital

United States Naturalization Records in Nebraska Collection

We now have 118 archives in our Nebraska collection. Most of these archives are Swedish American congregation records but not all are church records. One interesting collection in the Nebraska archives consists of declarations of intention, petitions for naturalization and final papers for United States citizenship. These records are from the District Court of Polk County in Osceola, Nebraska.

The process for United States citizenship was generally a two-step process. After a person lived in the U.S. for two years, the person could file a “declaration of intention” to become a citizen. After three additional years, the person could file a petition for naturalization. After the petition was granted, the person was given a certification of naturalization and became a citizen. Click here for more information about the naturalization process.

These applications for citizenship primarily the “declaration of intention” are often used to help a person identify where their ancestor came from in Sweden. Below is the declaration of intention for Axel Theodore Norstrom.

declaration of intentionDistrict Court of Polk County, Osceola, Nebraska, USA (NE) Vol:1 (1907-1922) Image 47 / page 33 (AID: v896407.b47.s33, NAD) Link.

The “declaration of intention” includes such information as physical description, age, occupation, birth date and birth place, emigration place, often name of ship along with date of arrival and arrival port.

In the above record dated 18th of January 1909 we see that Axel was born in Skinnskatteberg parish in Sweden on the 10th of September 1863. He is now living in Stromsberg, Nebraska. The record states that he emigrated from Göteborg, Sweden on the ship, Arabic, and arrived in the port of Boston, Massachusetts on the 14th of October 1905. His last residence in Sweden is Malma. (Note – in the declaration of intention it looks like Malmo but as we do more research, we discover that the last residence in Sweden is in the parish of Malma in Västmanland county).

With the above information, we can jump into the Swedish church book records and verify the information on the declaration of intention. We can search for the birth books for Skinnskatteberg parish and look for his birth record in 1863. Below is his birth record.

norstroms birth recordSkinnskatteberg (U) C:11 (1862-1878) Image 26 (AID: v74059.b26, NAD: SE/ULA/11336) Link.

We can follow him in the household books from the time of his birth until his emigration. Below is the household record showing him emigrating from Malma parish in Västmanland county to America in 1905. You notice that his Swedish name is “Axel Teodor Norström” and the American version is ” Axel Theodore Norstrom”.

norstrom hfl emigration recordMalma (U) AII:2 (1902-1914) Image 150 / page 3 (AID: v263759.b150.s3, NAD: SE/ULA/11056) Link.

You can find the “declarations of intentions” in the District Court Polk County, Nebraska Archives in ArkivDigital by doing the following:

  • Select New Archive search.
  • Select county, Nebraska.
  • Select District Court of Polk County, Osceola, Nebraska USA archive.
  • Select the book with the years that you are interested in.
  • Each book contains a name register in the front of the book.

ArkivDigital

A searchable name register for parishes in Kronoberg county is coming!

Soon, there will be a searchable name register of births, marriages and deaths for all of Kronoberg county in ArkivDigital. This is a result of an agreement that was recently made with the Kronoberg Genealogical Society.

The new register consists of births, marriages and deaths in Kronoberg county from the oldest time (late 1600’s) to the 1900’s (births usually end around 1920, marriages and deaths around 1944). In some cases, even moving in and moving out records have been indexed.

In addition, this includes a number of parishes from neighboring counties, Jönköping, Blekinge, Kalmar, and Kristianstad counties. However, these are only partially indexed except for the following which are more complete: Gällaryd, Hjälmseryd, Rydaholm, Backaryd, Bräkne-Hoby, Eringsboda.

The new register consists of around 1.7 million posts (860,000 births, 245,000 marriages and 577,000 deaths).

The register was created by the Kronoberg’s Genealogical Society and can be published thanks to an agreement between the association and ArkivDigital. However, before the index register becomes available, ArkivDigital will link all the index records to the images within the church books. This means that the researcher can then proceed quickly from the index record to the original church book record by a simple mouse click. This work is expected to take a few months. We hope to have the index complete for Genealogy Days which will be held on September 1-2, 2018 in Växjö, the central city in Kronoberg County.

kronoberg death Searching in the name register: Deaths in parts of Södermanland

Previously, ArkivDigital has created a similar register for parishes in southern and eastern Södermanland, developed by Katrineholm-Flen-Vingåkers Genealogy Society and Nyköpings-Oxelösund Genealogy Society. Also in this register, ArkivDigital has created the possibility to link directly to the original church book from the index record.
Read earlier blog.

ArkivDigital has ambitions to publish more personal registers, both of which the company has developed on its own and those that genealogy societies around Sweden have created over the years.

Currently ArkivDigital is working on creating a name register to the 1940 extracts from the congregation books, which will be the Population of Sweden 1940, similar to the already existing Populations of Sweden 1950 and 1960 search indexes.

Read original blog in Swedish.

ArkivDigital