OA
Ole Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Walsh-County, North Dakota
Our Model Tree links this Ole Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Walsh-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Walsh-County, North Dakota |
| Surname | Anderson |
| Given Name | Ole O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Grafton Township |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Grafton Township |
| Est. Birth Year | ~1878 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ole | Age | Birth yr |
|---|---|---|---|---|
| Allen Anderson | Son | — | 20 | ~1920 |
| Margit Anderson | Other | — | 18 | ~1922 |
| Ole Anderson | Head | — | 62 | ~1878 |
| Vernon Anderson | Son | — | 25 | ~1915 |
| Sophia Anderson | Spouse | — | 60 | ~1880 |
Census Appearances
1910
Walsh, North …
Head, age 32
Walsh, North Dakota · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ole |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Years Married | 3 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Paper hanger |
| Industry | House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Walsh, North …
Head, age 42
Walsh, North Dakota · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Walsh, North …
Head, age 52
Walsh, North Dakota · implied b. ~1878 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Home Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Walsh-County, North …
Head, age 62
Walsh-County, North Dakota · implied b. ~1878 — 5 household members
| Surname | Anderson |
| Given Name | Ole O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Grafton Township |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ole Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ole Anderson
Head · 1940 · age 62 · b. ~1878 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Walsh-County, North Dakota
Open full size
1940 US Federal Census — Walsh-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03016-00732)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Handwerker Minni | 52 | Head | — | No Dakota |
| 2 | Louis Olson | 56 | Hired man | Farmer Laborer | Minnesota |
| 3 | John J. Johnson | 44 | Head | Farmer | No Dakota |
| 4 | Hilda Johnson | 46 | Wife | — | No Dakota |
| 5 | Myrtle Johnson | 24 | Daughter | School Teacher | No Dakota |
| 6 | Emma Johnson | 21 | Daughter | School Teacher | No Dakota |
| 7 | Hazel Johnson | 20 | Daughter | Stenographer | No Dakota |
| 8 | Engwald Johnson | 16 | Son | — | No Dakota |
| 9 | Johan Johnson | 7 | Daughter | — | No Dakota |
| 10 | Carl Iwerburg | 54 | Head | Farmer | No Dakota |
| 11 | Selma Iwerburg | 39 | Sister | — | No Dakota |
| 12 | Harold Iwerburg | 41 | Brother | Truck Driver | No Dakota |
| 13 | Alma Iwerburg | 37 | Sister | — | No Dakota |
| 14 | Donald Iwerburg | 9 | Nephew | — | No Dakota |
| 15 | Richard Iwerburg | 7 | Nephew | — | No Dakota |
| 16 | Marland Iwerburg | 4 | Nephew | — | No Dakota |
| 17 | Helen Iwerburg | 1 | Niece | — | No Dakota |
| 18 | Knud Torblaad | 59 | Head | Farmer | Iowa |
| 19 | Emma Torblaad | 59 | Wife | — | Minnesota |
| 20 | Orlando Torblaad | 27 | Son | Farmer | No Dakota |
| 21 | Marian Torblaad | 23 | Daughter | Clerk | No Dakota |
| 22 | Maddia Sandvig | 47 | Head | — | No Dakota |
| 23 | Nafad Sandvig | 45 | Brother | Laborer | No Dakota |
| 24 | Edward Jakelson | 48 | Head | Farmer | Nebraska |
| 25 | Ella Jakelson | 44 | Wife | — | Nebraska |
| 26 | Joyce Jakelson | 16 | Daughter | — | No Dakota |
| 27 | Jean Jakelson | 4 | Daughter | — | No Dakota |
| 28 | George Strand | 27 | Hired | Farm | No Dakota |
| 29 | Ole O. Brenna | 59 | Head | Farmer | No Dakota |
| 30 | Adolph Gjorshin | 54 | Boarder | Farmer | Norway |
| 31 | Inga Gjorshin | 52 | Sister | — | No Dakota |
| 32 | Orla Gjorshin | 20 | Niece | At Home | No Dakota |
| 33 | Ione Gjorshin | 18 | Niece | — | No Dakota |
| 34 | Irene Gjorshin | 16 | Niece | — | No Dakota |
| 35 | Barba Brenna | 51 | Sister | — | No Dakota |
| 36 | Ole O. Anderson THIS PERSON | 62 | Head | Farmer | Minnesota |
| 37 | Sophia Anderson | 60 | Wife | — | Minnesota |
| 38 | Vernon Anderson | 25 | Son | Farming | No Dakota |
| 39 | Allen Anderson | 20 | Son | Laborer | No Dakota |
| 40 | Margit Anderson | 18 | Daughter in law | At Home | No Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)