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Oscar Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Oscar Peterson across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Switchman |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Switchman |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Peterson | Head | — | 45 | ~1895 |
| Russell Peterson | Son | — | 17 | ~1923 |
| Lillian Peterson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 24
Hennepin, Minnesota · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 35
Hennepin, Minnesota · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Widowed |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 45
Hennepin-County, Minnesota · implied b. ~1895 — 3 household members
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Switchman |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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. Identified parents: father Charles Peterson (~0.92 confidence) and father Chas Peterson (~0.92 confidence) and mother Corinne Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Peterson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Chas Peterson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Corinne Peterson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Peterson
Head · 1940 · age 45 · b. ~1895 · Minnesota
★ 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01986-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Bender | 54 | Head | Credit Man | Iowa |
| 42 | Sophia Bender | 53 | Wife | — | Iowa |
| 43 | Robert Bender | 15 | Son | — | Minnesota |
| 44 | August Marshman | 73 | Head | — | New York |
| 45 | Mary Marshman | 73 | Wife | — | Wisconsin |
| 46 | George Plantz | 29 | Head | Electrician | Minnesota |
| 47 | Minnie Plantz | 27 | Wife | — | Minnesota |
| 48 | Thomas Plantz | 2 | Son | — | Minnesota |
| 49 | Oscar Peterson THIS PERSON | 45 | Head | Switchman | Minnesota |
| 50 | Lillian Peterson | 38 | Wife | — | Minnesota |
| 51 | Russell Peterson | 17 | Son | — | Minnesota |
| 53 | Gustav Del Court | 38 | Head | Order Clerk | Minnesota |
| 54 | Margaret Del Court | 31 | Wife | — | Minnesota |
| 55 | John Leibel | 59 | Head | Truck Driver | Norway |
| 56 | Caroline Leibel | 54 | Wife | — | Minnesota |
| 57 | Walter Leibel | 27 | Son | Truck Driver | Minnesota |
| 58 | Loretta Leibel | 21 | Daughter-in-law | — | Minnesota |
| 59 | Conrad Johnson | 48 | Head | Painter | Norway |
| 60 | Esther Johnson | 41 | Wife | Clerical | Minnesota |
| 61 | Ingwald Wiggen | 28 | Head | Salesman | Minnesota |
| 62 | Lucile Wiggen | 25 | Wife | — | Minnesota |
| 63 | Laura Tessmer | 40 | Head | — | Minnesota |
| 64 | Bertha Brum | 57 | Sister | — | Minnesota |
| 65 | Elaine Brum | 9 | Niece | — | No. Dakota |
| 66 | Carl Anderson | 45 | Head | Machinist | Sweden |
| 67 | Faye Anderson | 42 | Wife | — | Iowa |
| 68 | Elmer Christenson | 38 | Head | Salesman | Minnesota |
| 69 | Bernice Christenson | 38 | Wife | — | Minnesota |
| 70 | Bruce Christenson | 15 | Son | — | Minnesota |
| 71 | Joanne Christenson | 13 | Son | — | Minnesota |
| 72 | Audry Eslick | 38 | Head | Chemist | Iowa |
| 73 | Mildred Eslick | 35 | Wife | Nurse | Iowa |
| 74 | Wayne Douglas | 50 | Head | Salesman | Minnesota |
| 75 | Grace Douglas | 48 | Wife | Shop Steward | Minnesota |
| 76 | Wallace Douglas | 19 | Son | — | Minnesota |
| 77 | Vernon Mcfarlene | 27 | Head | Roofer | Minnesota |
| 78 | Shirley Mcfarlene | 28 | Wife | — | Minnesota |
| 79 | Daune Mcfarlene | 6 | Son | — | Minnesota |
| 80 | Dennis Mcfarlene | 5 | Son | — | Minnesota |
Pedigree Summary
Oscar
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)