AO
Albert Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nelson-County, North Dakota
Our Model Tree links this Albert Olson across the 1920, 1930 and 1940 US Censuses in Nelson-County, North Dakota (XGBoost, ~Confirmed), with identified parents August & Dina — first a son (b.~1904), then head of a 9-person household.
Age 36
b. ~1904
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nelson-County, North Dakota |
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Lakota |
| 1935 Residence (County) | Nelson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | Lakota |
| Est. Birth Year | ~1904 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Ida Heitala | Daughter | — | 35 | ~1905 |
| Delores Heitala | Other | — | 12 | ~1928 |
| Henry Olson | Son | — | 40 | ~1900 |
| August Olson | Head | — | 83 | ~1857 |
| Albert Olson | Son | — | 36 | ~1904 |
| Ida Heitala | Daughter | — | 36 | ~1904 |
| Doris Heitala | Other | — | 6 | ~1934 |
| William Olson | Son | — | 37 | ~1903 |
| Minnie Olson | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Nelson, North …
Son, age 16
Nelson, North Dakota · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Finland |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Nelson, North …
Son, age 25
Nelson, North Dakota · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Finland |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Nelson-County, North …
Son, age 36
Nelson-County, North Dakota · implied b. ~1904 — 9 household members
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Lakota |
| 1935 Residence (County) | Nelson |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Albert Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Olson (~0.92 confidence) and mother Dina Olson (~0.92 confidence) and mother Lena Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Olson
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Dina Olson
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Lena Olson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Olson
Son · 1940 · age 36 · b. ~1904 · North Dakota
★ You are viewing this record
Sibling
Ida Heitala
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Olson
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Olson
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Olson
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Heitala
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Nelson-County, North Dakota
Open full size
1940 US Federal Census — Nelson-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03008-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nels Lund | 71 | Head | Farmer | Norway |
| 2 | Mina Lund | 54 | Wife | — | Norway |
| 3 | Norma Lund | 16 | Daughter | — | North Dakota |
| 4 | Oscar Mickelson | 44 | Head | Farmer | North Dakota |
| 5 | Ellen Mickelson | 44 | Wife | — | Minnesota |
| 6 | Doris Mickelson | 15 | Daughter | — | North Dakota |
| 7 | Marjorie Mickelson | 11 | Daughter | — | North Dakota |
| 8 | Carol Mickelson | 5 | Daughter | — | North Dakota |
| 9 | Elmer Bjorge | 40 | Head | Farmer | North Dakota |
| 10 | Dora Bjorge | 39 | Wife | — | West Virginia |
| 11 | Elmer Bjorge | 18 | Son | Farm Laborer | North Dakota |
| 12 | Betty Bjorge | 16 | Daughter | — | North Dakota |
| 13 | Oscar Kyllonen | 50 | Head | Farmer | North Dakota |
| 14 | Hilmi Kyllonen | 41 | Wife | — | North Dakota |
| 15 | Arnold Kyllonen | 20 | Son | Farm Laborer | North Dakota |
| 16 | Esther Kyllonen | 19 | Daughter | — | North Dakota |
| 17 | Albert Kyllonen | 14 | Son | — | North Dakota |
| 18 | Ellen Kyllonen | 12 | Daughter | — | North Dakota |
| 19 | Marvin Kyllonen | 2 | Son | — | North Dakota |
| 20 | Arno Stovick | 39 | Hired hand | Farm Laborer | South Dakota |
| 21 | John Kyllonen | 52 | Head | Farmer | North Dakota |
| 22 | Lillie Kyllonen | 32 | Wife | — | New Hampshire |
| 23 | Mavis Kyllonen | 10 | Daughter | — | North Dakota |
| 24 | Ileen Kyllonen | 6 | Daughter | — | North Dakota |
| 25 | Roy Calandres | 27 | Hired hand | Farm Laborer | North Dakota |
| 26 | George Pirilo | 29 | Hired hand | Farm Laborer | North Dakota |
| 27 | Erick Kyllonen | 42 | Head | Farmer | North Dakota |
| 28 | Sadie Kyllonen | 31 | Wife | — | North Dakota |
| 29 | Herbert Kyllonen | 9 | Son | — | North Dakota |
| 30 | Allen Kyllonen | 2 | Son | — | North Dakota |
| 31 | August Olson | 83 | Head | — | Finland |
| 32 | Henry Olson | 40 | Son | Farmer | North Dakota |
| 33 | William Olson | 37 | Son | Farmer | North Dakota |
| 34 | Albert Olson THIS PERSON | 36 | Son | Farmer | North Dakota |
| 35 | Minnie Olson | 34 | Daughter | — | North Dakota |
| 36 | Ida Heitala | 36 | Daughter | Section Laborer | North Dakota |
| 37 | Ida Heitala | 35 | Daughter | — | North Dakota |
| 38 | Delores Heitala | 12 | Grand child | — | North Dakota |
| 39 | Doris Heitala | 6 | Grand child | — | North Dakota |
| 40 | Oscar Niemi | 49 | Head | Farmer | Minnesota |
Pedigree Summary
Albert + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)