OP
Oscar Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chippewa-County, Wisconsin
Our Model Tree links this Oscar Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Chippewa-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chippewa-County, Wisconsin |
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Bloomer |
| 1935 Residence (County) | Chippewa |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Bloomer |
| Est. Birth Year | ~1886 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Irene Peterson | Daughter | — | 20 | ~1920 |
| Onedia Peterson | Daughter | — | 22 | ~1918 |
| Oscar Peterson | Head | — | 54 | ~1886 |
| Ole Peterson | Other | — | 65 | ~1875 |
| Emma Peterson | Spouse | — | 53 | ~1887 |
Census Appearances
1910
Chippewa, Wisconsin
Head, age 22
Chippewa, Wisconsin · implied b. ~1888
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Oscar C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Chippewa, Wisconsin
Head, age 34
Chippewa, Wisconsin · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farming |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Chippewa, Wisconsin
Head, age 44
Chippewa, Wisconsin · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Chippewa-County, Wisconsin
Head, age 54
Chippewa-County, Wisconsin · implied b. ~1886 — 5 household members
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Bloomer |
| 1935 Residence (County) | Chippewa |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oscar Peterson
Head · 1940 · age 54 · b. ~1886 · Wisconsin
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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 — Chippewa-County, Wisconsin
Open full size
1940 US Federal Census — Chippewa-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04464-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Smith | 46 | Head | Farmer | Wisconsin |
| 2 | Mary Smith | 40 | Wife | H | South Dakota |
| 3 | Esther Smith | 19 | Daughter | S | South Dakota |
| 4 | Alice Smith | 17 | Daughter | Student Aid | Wisconsin |
| 5 | Virgine Smith | 15 | Daughter | S | Wisconsin |
| 6 | Erling Smith | 13 | Son | S | Wisconsin |
| 7 | Hubert Smith | 12 | Son | S | Wisconsin |
| 8 | Anita Smith | 10 | Daughter | — | Wisconsin |
| 9 | Ray Smith | 4 | Son | — | Wisconsin |
| 10 | Richard Behr | 34 | Head | Farmer | Wisconsin |
| 11 | Catherine Behr | 35 | Wife | — | Wisconsin |
| 12 | Donna Jean Behr | 11 | Daughter | — | Wisconsin |
| 13 | Janet Behr | 9 | Daughter | — | Wisconsin |
| 14 | Wildma Behr | 5 | Daughter | — | Wisconsin |
| 15 | Myra Behr | 1 | Daughter | — | Wisconsin |
| 16 | Alloyous Kellen | 31 | Head | Farming | Iowa |
| 17 | Josephine Kellen | 28 | Wife | H | Wisconsin |
| 18 | Alloyous Jr. Kellen | 15 | Son | S | South Dakota |
| 19 | Vernon Kellen | 14 | Son | S | South Dakota |
| 20 | Eldred Kellen | 13 | Son | S | South Dakota |
| 21 | Madonna Kellen | 12 | Daughter | — | Minnesota |
| 22 | Michael Kellen | 10 | Son | — | South Dakota |
| 23 | Oscar Peterson THIS PERSON | 54 | Head | Farmer | Wisconsin |
| 24 | Emma Peterson | 53 | Wife | H | Wisconsin |
| 25 | Onedia Peterson | 22 | Daughter | H | Wisconsin |
| 26 | Irene Peterson | 20 | Daughter | H | Wisconsin |
| 27 | Ole Peterson | 65 | Brother | Farm Hand | Norway |
| 28 | Howard Halet | 24 | Head | Farmer | Wisconsin |
| 29 | Helen Halet | 22 | Wife | — | Wisconsin |
| 30 | Marvin Halet | 4 | Son | — | Wisconsin |
| 31 | Merlin Halet | 3 | Son | — | Wisconsin |
| 32 | Lois Halet | 2 | Daughter | — | Wisconsin |
| 33 | Maude Halet | 63 | Mother | H | Minnesota |
| 34 | Jos. F. Schwartz | 36 | Head | Salesman | Wisconsin |
| 35 | Rose Schwartz | 35 | Wife | H | Wisconsin |
| 36 | Leonard Schwartz | 14 | Son | S | Wisconsin |
| 37 | Leona Benson | 24 | Lodger | School Teacher | Wisconsin |
| 38 | Henry Muench | 34 | Head | Farmer | Wisconsin |
| 39 | Selena Muench | 30 | Wife | — | Wisconsin |
| 40 | Franklin Muench | 0 | Son | — | Wisconsin |
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)