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Oscar Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pembina-County, North Dakota
Our Model Tree links this Oscar Anderson across the 1920, 1930 and 1940 US Censuses in Pembina-County, North Dakota (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pembina-County, North Dakota |
| Surname | Anderson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | St. Thomas City |
| 1935 Residence (County) | Pembina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 150 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Laborer |
| Township / Ward | St Thomas City |
| Est. Birth Year | ~1913 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| John Anderson | Head | — | 73 | ~1867 |
| Hilmer Anderson | Son | — | 22 | ~1918 |
| Oscar Anderson | Son | — | 27 | ~1913 |
| Bert Anderson | Son | — | 36 | ~1904 |
| Edwin Anderson | Son | — | 25 | ~1915 |
| Anna Anderson | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Pembina, North …
Son, age 7
Pembina, North Dakota · implied b. ~1913 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Pembina, North …
Son, age 17
Pembina, North Dakota · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | State Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Pembina-County, North …
Son, age 27
Pembina-County, North Dakota · implied b. ~1913 — 6 household members
| Surname | Anderson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | St. Thomas City |
| 1935 Residence (County) | Pembina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 150 |
| Highest Grade | No 6 |
| 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 Oscar Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Annie Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Annie Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Anderson
Son · 1940 · age 27 · b. ~1913 · North Dakota
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Sibling
Edwin Anderson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilmer Anderson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bert Anderson
Sibling · 1940 · age 36
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 — Pembina-County, North Dakota
Open full size
1940 US Federal Census — Pembina-County, North Dakota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03009-00429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Whelan | 44 | Head | Farmer | North Dakota |
| 42 | Mabel Whelan | 40 | Wife | — | North Dakota |
| 43 | Louis J. Whelan | 39 | Head | Grain Buyer | North Dakota |
| 44 | John Anderson | 71 | Head | — | Sweden |
| 45 | Anna Maria Anderson | 56 | Wife | — | Norway |
| 46 | Albert Anderson | 30 | Son | Drayman | North Dakota |
| 47 | John Heuchert | 24 | Head | Laborer | North Dakota |
| 48 | Gladys Heuchert | 26 | Wife | — | North Dakota |
| 49 | Gurine Week | 66 | Head | — | Norway |
| 50 | Peder (Ab) Week | 23 | Son | — | North Dakota |
| 51 | John Anderson | 73 | Head | — | Sweden |
| 52 | Anna Anderson | 62 | Wife | — | Sweden |
| 53 | Bert Anderson | 36 | Son | Laborer | North Dakota |
| 54 | Oscar Anderson THIS PERSON | 27 | Son | Laborer | North Dakota |
| 55 | Edwin Anderson | 25 | Son | Laborer | North Dakota |
| 56 | Hilmer Anderson | 22 | Son | Laborer | North Dakota |
| 57 | Joe W. Bellock | 60 | Head | — | Siberia |
| 58 | Olive Bellock | 19 | Wife | — | North Dakota |
| 59 | Elaine Bellock | 7 | Daughter | — | North Dakota |
| 60 | Joseph Bellock | 5 | Son | — | North Dakota |
| 61 | William Porter | 43 | Head | Farm Manager | North Dakota |
| 62 | Grace Porter | 46 | Wife | — | North Dakota |
| 63 | Irene Porter | 13 | Daughter | — | North Dakota |
| 64 | Allan Mcphail | 53 | Head | Blacksmith | North Dakota |
| 65 | Hattie Mcphail | 50 | Wife | — | North Dakota |
| 66 | Mildred Mcphail | 24 | Daughter | Practical Nurse | North Dakota |
| 67 | Robert Mcphail | 19 | Son | Laborer | North Dakota |
| 68 | Margaret Mcphail | 12 | Daughter | — | North Dakota |
| 69 | Clide Thornton | 71 | Head | — | Canada Eng |
| 70 | Ernest Hanna | 51 | Head | Laborer Farmer | North Dakota |
| 71 | Ellen Hanna | 49 | Wife | — | North Dakota |
| 72 | Margaret Hanna | 7 | Daughter | — | North Dakota |
| 73 | Alvin Robert Schultz | 29 | Head | Laborer | North Dakota |
| 74 | Marion Schultz | 32 | Wife | — | North Dakota |
| 75 | Maurine Schultz | 5 | Daughter | — | North Dakota |
| 76 | Robert Lee Schultz | 4 | Son | — | North Dakota |
| 77 | Kenneth Schultz | 3 | Son | — | North Dakota |
Related Census Records
Pedigree Summary
Oscar + 3 siblings
Gen 1 · 6 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)