OJ
Oliver Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Divide-County, North Dakota
Our Model Tree links this Oliver Johnson across the 1920, 1930 and 1940 US Censuses in Divide-County, North Dakota (XGBoost, ~Confirmed), with identified parents Oscar & Oscar — first a son (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Divide-County, North Dakota |
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Stone View |
| 1935 Residence (County) | Divide |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farming |
| Township / Ward | Stone View |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Oliver Johnson | Son | — | 25 | ~1915 |
| Marion Harbig | Other | — | ~1940 | |
| Oscar Johnson | Head | — | 59 | ~1881 |
| Hazel Harbig | Daughter | — | 20 | ~1920 |
| Matilda Johnson | Spouse | — | 53 | ~1887 |
| Melvin Harbig | Other | — | 20 | ~1920 |
| Myrtle Anderson | Daughter | — | 26 | ~1914 |
Census Appearances
1920
Divide, North …
Son, age 5
Divide, North Dakota · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Divide, North …
Son, age 15
Divide, North Dakota · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Divide-County, North …
Son, age 25
Divide-County, North Dakota · implied b. ~1915 — 7 household members
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Stone View |
| 1935 Residence (County) | Divide |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Oliver Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Johnson (~0.92 confidence) and father Oscar Johnson (~0.92 confidence) and mother Matilda Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Oscar Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Matilda Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oliver Johnson
Son · 1940 · age 25 · b. ~1915 · North Dakota
★ You are viewing this record
Sibling
Myrtle Anderson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Harbig
Sibling · 1940 · age 20
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 — Divide-County, North Dakota
Open full size
1940 US Federal Census — Divide-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02999-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Olson | 49 | Head | Farming | Minnesota |
| 42 | Helga Olson | 45 | Wife | — | Wisconsin |
| 43 | Myron A. Olson | 22 | Son | Farming | Canada |
| 44 | Thelmer Olson | 18 | Son | Farming | Canada |
| 45 | Kent Skar | 37 | Head | Janitor | South Dakota |
| 46 | Pearl Skar | 35 | Wife | School Teacher | Minnesota |
| 47 | Sue Skar | 6 | Daughter | — | Illinois |
| 48 | Martin O. Loudahl | 27 | Head | Farming | North Dakota |
| 49 | Ida Loudahl | 29 | Wife | — | North Dakota |
| 50 | Inga Loudahl | 66 | Mother | — | Norway |
| 51 | Ludvig O. Hovde | 54 | Head | Farming | Norway |
| 52 | Kirsten Hovde | 42 | Wife | — | Norway |
| 53 | Lila Hovde | 18 | Daughter | New Worker | North Dakota |
| 54 | Bernt Rustad | 71 | Hired-man | — | Norway |
| 55 | Otto Berger | 49 | Head | Farming | Norway |
| 56 | Maren Berger | 49 | Wife | — | Norway |
| 57 | Melvin Berger | 21 | Son | Farming | North Dakota |
| 58 | Vernon Berger | 12 | Son | — | North Dakota |
| 59 | Einar B. Nordby | 62 | Head | Farming | Norway |
| 60 | Karen Nordby | 50 | Wife | — | Norway |
| 61 | Harold Nordby | 21 | Son | Farming | North Dakota |
| 62 | Richard Schroeder | 31 | Head | Farming | Minnesota |
| 63 | Hjalmer Schroeder | 39 | Brother | Blacksmithing | Michigan |
| 64 | Martha Schroeder | 26 | Brother's wife | — | North Dakota |
| 65 | Blanche Schroeder | 7 | Niece | — | North Dakota |
| 66 | Vernon Schroeder | 1 | Nephew | — | North Dakota |
| 67 | Edwin Schroeder | 32 | Brother | Farm Laborer | Minnesota |
| 68 | Oscar J. Johnson | 59 | Head | Farming | Sweden |
| 69 | Matilda Johnson | 53 | Wife | — | Minnesota |
| 70 | Oliver Johnson THIS PERSON | 25 | Son | Farming | North Dakota |
| 71 | Myrtle Anderson | 26 | Daughter | — | North Dakota |
| 72 | Melvin Harbig | 20 | Son-in-law | Farm Laborer | North Dakota |
| 73 | Hazel Harbig | 20 | Daughter | — | North Dakota |
| 74 | Marion Harbig | 0 | Grand daughter | — | North Dakota |
| 75 | Thorvald Skar | 58 | Head | Farming | Norway |
| 76 | Helen Skar | 38 | Wife | — | North Dakota |
| 77 | Seferna Belaeth | 71 | Mother-in-law | — | Norway |
| 78 | Thorsten Skar | 12 | Son | — | North Dakota |
| 79 | Solveig Skar | 10 | Daughter | — | North Dakota |
| 80 | John Rost | 50 | Head | Farming | Norway |
Related Census Records
Pedigree Summary
Oliver + 2 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)