OO
Ole Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, North Dakota
Our Model Tree links this Ole Olson across the 1920, 1930 and 1940 US Censuses in Pierce-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 6-person household.
Age 74
b. ~1866
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, North Dakota |
| Surname | Olson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Twp 157 Range 73 |
| 1935 Residence (County) | Pierce |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Farmer |
| Township / Ward | Twp 157 Range 73 |
| Est. Birth Year | ~1866 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ole | Age | Birth yr |
|---|---|---|---|---|
| Jean Maby | Other | — | 4 | ~1936 |
| Dina Maby | Other | — | 3 | ~1937 |
| Edith Maby | Daughter | — | 29 | ~1911 |
| Hannah Olson | Spouse | — | 51 | ~1889 |
| Oliver Olson | Son | — | 22 | ~1918 |
| Ole Olson | Head | — | 74 | ~1866 |
Census Appearances
1920
Pierce, North …
Head, age 57
Pierce, North Dakota · implied b. ~1863 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Manager |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Sweden |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | sweden |
1930
Pierce, North …
Other, age 65
Pierce, North Dakota · implied b. ~1865 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ole |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 38 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Grain farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Pierce-County, North …
Head, age 74
Pierce-County, North Dakota · implied b. ~1866 — 6 household members
| Surname | Olson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Twp 157 Range 73 |
| 1935 Residence (County) | Pierce |
| Naturalization Status | Naturalized |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ole Olson
Head · 1940 · age 74 · b. ~1866 · North Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Pierce-County, North Dakota
Open full size
1940 US Federal Census — Pierce-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03009-00802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter O Olson | 76 | Head | Farmer | Sweden |
| 2 | Bertha Olson | 75 | Wife | — | Norway |
| 3 | Otto Olson | 45 | Son | Farm Laborer | Pierce County |
| 4 | Beatrice Amble | 29 | Daughter | House Keeper | Pierce County |
| 5 | David Amble | 10 | Grandson | — | Pierce County |
| 6 | Mary Berry Amble | 7 | Grand daughter | — | Pierce County |
| 7 | Anna Jean Amble | 3 | Grand daughter | — | Pierce County |
| 8 | Theodore O Alden | 19 | Hired help | Farm Laborer | Pierce County |
| 9 | Ole Olson THIS PERSON | 74 | Head | Farmer | Sweden |
| 10 | Hannah Olson | 51 | Wife | — | Sweden |
| 11 | Oliver Olson | 22 | Son | Farm Laborer | Pierce County |
| 12 | Edith Maby | 29 | Daughter | House Keeper | Pierce County |
| 13 | Jean Maby | 4 | Grand daughter | — | Pierce County |
| 14 | Dina Maby | 3 | Grand daughter | — | Pierce County |
| 15 | Victor O Westgard | 31 | Head | Farmer | Pierce County |
| 16 | Alma Westgard | 25 | Wife | House Keeper | Divide County |
| 17 | Milton Westgard | 5 | Son | — | Rugby N.D. |
| 18 | Stanley Westgard | 4 | Son | — | Rugby N.D. |
| 19 | E. H. Natwick | 33 | Head | Farmer | Whitley |
| 20 | Lillie Natwick | 32 | Wife | Housewife | McHenry Co |
| 21 | Dora Natwick | 10 | Daughter | — | Rugby N.D. |
| 22 | Dale Natwick | 8 | Son | — | Rugby N.D. |
| 23 | Fay Natwick | 1 | Daughter | — | Rugby N.D. |
| 24 | John S Marshall | 21 | Head | Farm Laborer | Wisconsin |
| 25 | Lois E Brandt | 31 | Boarder | Teacher | Holloway Minn |
| 26 | Nick J Brossard | 57 | Head | Farmer | North Dakota |
| 27 | Magdalene Brossard | 35 | Wife | Housewife | Pierce County |
| 28 | Anthony Brossard | 13 | Son | — | Pierce County |
| 29 | Irene Brossard | 12 | Daughter | — | Pierce County |
| 30 | Edward Brossard | 10 | Son | — | Pierce County |
| 31 | Raymond Brossard | 9 | Son | — | Pierce County |
| 32 | Lucille Brossard | 7 | Daughter | — | Pierce County |
| 33 | Delbert Brossard | 6 | Son | — | Pierce County |
| 34 | Viola Brossard | 5 | Daughter | — | Pierce County |
| 35 | Lois Brossard | 3 | Daughter | — | Pierce County |
| 36 | Nick Jr Brossard | 1 | Son | — | Pierce County |
| 37 | Einar S Westgard | 40 | Head | Farmer | Pierce County |
| 38 | Alice Westgard | 29 | Wife | Housewife | Pierce County |
| 39 | Eunice Westgard | 10 | Daughter | — | Pierce County |
| 40 | Avie Westgard | 7 | Daughter | — | Pierce County |
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)