OJ
Oliver Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, North Dakota
Our Model Tree links this Oliver Johnson across the 1920, 1930 and 1940 US Censuses in Richland-County, North Dakota (XGBoost, ~Confirmed), with identified parents Iver & Raynold — first a son (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, North Dakota |
| Surname | Johnson |
| Given Name | Oliver B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Walcott Village |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | Farming |
| Industry | Rented Land |
| Class of Worker | OA |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farming |
| Township / Ward | Walcott Village |
| Est. Birth Year | ~1912 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Raynold Johnson | Head | — | 58 | ~1882 |
| Oliver Johnson | Son | — | 28 | ~1912 |
Census Appearances
1920
Richland, North …
Son, age 7
Richland, North Dakota · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Richland, North …
Son, age 18
Richland, North Dakota · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | North Dakota |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Richland-County, North …
Son, age 28
Richland-County, North Dakota · implied b. ~1912 — 2 household members
| Surname | Johnson |
| Given Name | Oliver B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Walcott Village |
| 1935 Residence (County) | Richland |
| Occupation | Farming |
| Industry | Rented Land |
| Class of Worker | OA |
| Income (1939) | 52 |
| 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 Oliver Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Iver Johnson (~0.92 confidence) and father Raynold Johnson (~0.92 confidence) and father Sven Johnson (~0.92 confidence) and mother Agnilda Johnson (~0.92 confidence) and mother Ragnhild Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Iver Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Raynold Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Sven Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Agnilda Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Ragnhild Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oliver Johnson
Son · 1940 · age 28 · b. ~1912 · 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 — Richland-County, North Dakota
Open full size
1940 US Federal Census — Richland-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03011-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John G. Olson | 78 | Head | Shoe Repairing | Norway |
| 42 | Clara G. Olson | 63 | Wife | — | Minnesota |
| 43 | Otto N. Olson | 23 | Son | Mechanic | North Dakota |
| 44 | Carroll C. Olson | 19 | Son | Laborer | North Dakota |
| 45 | Guy Thompson | 71 | Head | Carpenter | Iowa |
| 46 | Raynold Johnson | 58 | Head | — | North Dakota |
| 47 | Oliver B. Johnson THIS PERSON | 28 | Son | Farming | North Dakota |
| 48 | Thorburn Jostad | 28 | Head | Laborer | North Dakota |
| 49 | Mildred B. Jostad | 26 | Wife | — | North Dakota |
| 50 | Marlyne B. Jostad | 7 | Daughter | — | North Dakota |
| 51 | Gayle D. Jostad | 3 | Son | — | North Dakota |
| 52 | Floyd U. Jostad | 0 | Son | — | North Dakota |
| 53 | Randolph G. Ulness | 50 | Head | Confectionery | North Dakota |
| 54 | Nora G. Ulness | 47 | Wife | — | North Dakota |
| 55 | Louise R. Ulness | 8 | Daughter | — | North Dakota |
| 56 | Earl H. Ulness | 5 | Son | — | North Dakota |
| 57 | Lena Ulness | 71 | Mother | — | Norway |
| 58 | Severin B. Rockstad | 72 | Head | Blacksmith | Norway |
| 59 | Aase Rockstad | 72 | Wife | — | Iowa |
| 60 | Thorvild Rockstad | 33 | Son | Laborer | North Dakota |
| 61 | Theodore Rockstad | 30 | Head | Laborer | North Dakota |
| 62 | Pearl Rockstad | 25 | Wife | — | North Dakota |
| 63 | Arvilla J. Rockstad | 4 | Daughter | — | North Dakota |
| 64 | Carman A. Hunt | 28 | Head | Teaching | Canada English |
| 65 | Florence M. Hunt | 30 | Wife | — | Canada English |
| 66 | Jimmy R. Hunt | 4 | Son | — | North Dakota |
| 67 | Lawrence E. Hunt | 2 | Daughter | — | North Dakota |
| 68 | Sigrid Gotaas | 64 | Head | — | Norway |
| 69 | Olav S. Gotaas | 20 | Son | Laborer | North Dakota |
| 70 | John Y. Thompson | 64 | Head | Laborer | Norway |
| 71 | Ivor O. Thompson | 29 | Son | Laborer | Montana |
| 72 | Betsie C. Bakke | 47 | Head | — | Minnesota |
| 73 | Gunhild Kvalvik | 79 | Mother | — | Norway |
| 74 | Olga Bakke | 12 | Daughter | — | North Dakota |
| 75 | August Anderson | 71 | Head | Contractor | Sweden |
| 76 | Anna N. Anderson | 55 | Wife | — | Sweden |
| 77 | Halvor Helgeson | 79 | Head | — | Norway |
| 78 | Jacob Oye | 39 | Head | Laborer | Norway |
| 79 | Hazel E. Oye | 35 | Daughter | — | North Dakota |
| 80 | Ronald J. Oye | 7 | Son | — | North Dakota |
Pedigree Summary
Oliver
Gen 1 · 5 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)