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Oscar Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mcpherson-County, Kansas
Our Model Tree links this Oscar Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Mcpherson-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Anna — first a head (b.~1879), then head of a 4-person household.
Age 61
b. ~1879
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcpherson-County, Kansas |
| Surname | Peterson |
| Given Name | Oscar C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Delmore Township |
| 1935 Residence (County) | McPherson |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farming |
| Township / Ward | Delmore Township |
| Est. Birth Year | ~1879 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Mary Peterson | Daughter | — | 12 | ~1928 |
| Oscar Peterson | Head | — | 61 | ~1879 |
| Laverne Peterson | Son | — | 24 | ~1916 |
| Anna Peterson | Spouse | — | 48 | ~1892 |
Census Appearances
1910
Mcpherson, Kansas
Son, age 32
Mcpherson, Kansas · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Mcpherson, Kansas
Head, age 41
Mcpherson, Kansas · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Mcpherson, Kansas
Head, age 51
Mcpherson, Kansas · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Oscar C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 34 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Mcpherson-County, Kansas
Head, age 61
Mcpherson-County, Kansas · implied b. ~1879 — 4 household members
| Surname | Peterson |
| Given Name | Oscar C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Delmore Township |
| 1935 Residence (County) | McPherson |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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. Identified parents: father John Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1844
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1846
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Peterson
Head · 1940 · age 61 · b. ~1879 · Kansas
★ 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 — Mcpherson-County, Kansas
Open full size
1940 US Federal Census — Mcpherson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01243-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John J. Rogier | 37 | Head | Farming | Kansas |
| 42 | Elna Rogier | 34 | Wife | — | Kansas |
| 43 | Betty Rogier | 12 | Daughter | — | Kansas |
| 44 | Charles Rogier | 11 | Son | — | Kansas |
| 45 | Johnny Rogier | 6 | Son | — | Kansas |
| 46 | Sheldon Rogier | 0 | Son | — | Kansas |
| 47 | Jack Rogier | 6 | Nephew | — | Kansas |
| 48 | Alfred Johnson | 66 | Head | Farming | Illinois |
| 49 | Hilda Johnson | 61 | Wife | — | Sweden |
| 50 | Carl Johnson | 31 | Son | Farm Laborer | Kansas |
| 51 | Walter Johnson | 26 | Son | Laborer | Kansas |
| 52 | Roland Johnson | 23 | Son | Farm Laborer | Kansas |
| 53 | Verner Johnson | 21 | Son | Farming | Kansas |
| 54 | Charles A. Lindblade | 53 | Head | — | Kansas |
| 55 | Mabel Lindblade | 41 | Wife | — | Kansas |
| 56 | Betty Lindblade | 14 | Daughter | — | Kansas |
| 57 | Rodger Lindblade | 10 | Son | — | Kansas |
| 58 | Wendell Lindblade | 4 | Son | — | Kansas |
| 59 | Amel C. Johnson | 51 | Hired hand | Tool Dresser | Kansas |
| 60 | Arvid W. Johnson | 30 | Head | Farming | Kansas |
| 61 | Alfreda Johnson | 21 | Wife | — | Kansas |
| 62 | Oscar C. Peterson THIS PERSON | 61 | Head | Farming | Kansas |
| 63 | Anna E. Peterson | 48 | Wife | — | Kansas |
| 64 | Laverne Peterson | 24 | Son | Farming | Kansas |
| 65 | Mary Viola Peterson | 12 | Daughter | — | Kansas |
| 66 | Abner E. Norland | 54 | Head | Farming | Kansas |
| 67 | Elmer E. Norland | 55 | Wife | — | Kansas |
| 68 | Abner E. Norland | 30 | Son | Farming | Kansas |
| 69 | Emory E. Norland | 23 | Son | Farming | Kansas |
| 70 | Maxine Norland | 17 | Daughter | — | Kansas |
| 71 | Violet Norland | 11 | Daughter | — | Kansas |
| 72 | Christina Norland | 79 | Mother | — | Sweden |
| 73 | John E. Peterson | 60 | Lodger | Farm Laborer | Kansas |
| 74 | Oscar Palmquist | 39 | Head | Farming | Kansas |
| 75 | Beulah Palmquist | 31 | Wife | — | Kansas |
| 76 | Rhoda Laverne Palmquist | 9 | Daughter | — | Kansas |
| 77 | Delores Jean Palmquist | 6 | Daughter | — | Kansas |
| 78 | Fred Christenson | 42 | Head | Farming | Kansas |
| 79 | Leota Christenson | 40 | Wife | — | Kansas |
| 80 | Clifton Christenson | 11 | Son | — | Kansas |
Pedigree Summary
Oscar
Gen 1 · 2 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)