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Oscar Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ransom-County, North Dakota
Our Model Tree links this Oscar Peterson across the 1920, 1930 and 1940 US Censuses in Ransom-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 8-person household.
Age 46
b. ~1894
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ransom-County, North Dakota |
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Enderlin City |
| 1935 Residence (County) | Ransom |
| Additional Details | |
| Occupation | Locomotive Switchman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Locomotive Switchman |
| Township / Ward | Enderlin City |
| Est. Birth Year | ~1894 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Darlene Peterson | Daughter | — | 7 | ~1933 |
| Oscar Peterson | Head | — | 46 | ~1894 |
| Alvin Peterson | Son | — | 22 | ~1918 |
| Merle Peterson | Son | — | 17 | ~1923 |
| James Peterson | Son | — | 10 | ~1930 |
| Derwin Peterson | Son | — | 15 | ~1925 |
| Orville Peterson | Son | — | 20 | ~1920 |
| Hannah Peterson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Ransom, North …
Head, age 26
Ransom, North Dakota · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Carpenter |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Ransom, North …
Head, age 37
Ransom, North Dakota · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Switchman |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Ransom-County, North …
Head, age 46
Ransom-County, North Dakota · implied b. ~1894 — 8 household members
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Enderlin City |
| 1935 Residence (County) | Ransom |
| Occupation | Locomotive Switchman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 2000 |
| Highest Grade | Hs 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 Oscar Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oscar Peterson
Head · 1940 · age 46 · b. ~1894 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ransom-County, North Dakota
Open full size
1940 US Federal Census — Ransom-County, North Dakota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03010-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora B Rasmussen | 40 | Wife | — | Minnesota |
| 2 | Myrtle Ransom | 30 | Daughter-in-law | School Teacher | North Dakota |
| 3 | Winston Rasmussen | 12 | Nephew | — | Minnesota |
| 4 | Ted Harths | 55 | Head | Train Dispatcher | Michigan |
| 5 | Hilda Harths | 39 | Wife | — | North Dakota |
| 6 | Betty Lou Harths | 5 | Daughter | — | North Dakota |
| 7 | Walt Loomis | 66 | Head | — | Wisconsin |
| 8 | Hattie Loomis | 61 | Wife | — | Germany |
| 9 | Deloris Osen | 23 | Lodger | School Teacher | Minnesota |
| 10 | Marjorie Iverson | 22 | Lodger | School Teacher | Minnesota |
| 11 | Thora Syverson | 85 | Head | — | Norway |
| 12 | Anne Syverson | 86 | Wife | — | Norway |
| 13 | Charley Johnson | 47 | Head | Locomotive Fireman | Michigan |
| 14 | Florence Johnson | 47 | Wife | — | Michigan |
| 15 | Helen Mae Johnson | 18 | Daughter | — | Michigan |
| 16 | Ann Marie Johnson | 15 | Daughter | — | North Dakota |
| 17 | Betty Jean Johnson | 12 | Daughter | — | North Dakota |
| 18 | Charles Johnson | 6 | Son | — | North Dakota |
| 19 | Oscar Peterson THIS PERSON | 46 | Head | Locomotive Switchman | North Dakota |
| 20 | Hannah Peterson | 43 | Wife | — | North Dakota |
| 21 | Alvin Peterson | 22 | Son | Switchman | North Dakota |
| 22 | Orville Peterson | 20 | Son | Drummer | North Dakota |
| 23 | Merle Peterson | 17 | Son | — | North Dakota |
| 24 | Derwin Peterson | 15 | Son | — | North Dakota |
| 25 | James Peterson | 10 | Son | — | North Dakota |
| 26 | Darlene Peterson | 7 | Daughter | — | North Dakota |
| 27 | Leslie S. Wold | 29 | Head | Laborer | North Dakota |
| 28 | Eloise Wold | 29 | Wife | — | North Dakota |
| 29 | Valerie Jean Wold | 3 | Daughter | — | North Dakota |
| 30 | Edward Casseltine | 50 | Head | Railroad Brakeman | Ontario Canada |
| 31 | Frank Gonyer | 54 | Lodger | Railroad Brakeman | Michigan |
| 32 | Otto G. Trapp | 55 | Head | Laborer | North Dakota |
| 33 | Randy Trapp | 52 | Wife | — | Norway |
| 34 | Deloris Trapp | 13 | Daughter | — | North Dakota |
| 35 | Thor. Bjork | 64 | Head | Hardware Dealer | Iowa |
| 36 | Martha Bjork | 54 | Wife | — | North Dakota |
| 37 | Otto Reick | 51 | Head | Locomotive Machinist | Wisconsin |
| 38 | Ferol Reick | 47 | Wife | — | North Dakota |
| 39 | Mary Ellen Reick | 11 | Daughter | — | North Dakota |
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)