OS
Oscar Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mcpherson-County, Kansas
Our Model Tree links this Oscar Swanson across the 1920, 1930 and 1940 US Censuses in Mcpherson-County, Kansas (XGBoost, ~Confirmed), with identified parents Hugh & Joseph — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcpherson-County, Kansas |
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | MCPHERSON CITY |
| 1935 Residence (County) | MCPHERSON |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Salesman |
| Township / Ward | Mcpherson City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Minnie Swanson | Spouse | — | 53 | ~1887 |
| Oscar Swanson | Son | — | 23 | ~1917 |
| Josephe Swanson | Head | — | 63 | ~1877 |
| Elizabeth Swanson | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Mcpherson, Kansas
Son, age 3
Mcpherson, Kansas · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Mcpherson, Kansas
Son, age 13
Mcpherson, Kansas · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Mcpherson-County, Kansas
Son, age 23
Mcpherson-County, Kansas · implied b. ~1917 — 4 household members
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | MCPHERSON CITY |
| 1935 Residence (County) | MCPHERSON |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Swanson (~0.92 confidence) and father Joseph Swanson (~0.92 confidence) and mother Minnie Swanson (~0.92 confidence) and mother Minnie Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Swanson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Joseph Swanson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Minnie Swanson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Minnie Swanson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Swanson
Son · 1940 · age 23 · b. ~1917 · Kansas
★ You are viewing this record
Sibling
Elizabeth Swanson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01243-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marthadore Johnson | 30 | Son in law | Book Keeper | Missouri |
| 2 | Donald Jay Johnson | 1 | Son | — | — |
| 3 | W. S. Arnold | 36 | Head | Diesel Engineer | Indiana |
| 4 | Wilma Arnold | 34 | Wife | — | Missouri |
| 5 | Billy Ray Arnold | 14 | Son | — | Oklahoma |
| 6 | Sanford Anderson | 66 | Head | Tinner | Sweden |
| 7 | Anna Anderson | 63 | Wife | — | Sweden |
| 8 | Harriet Anderson | 30 | Daughter | — | Kansas |
| 9 | Howard Schmidt | 26 | Head | Electrician | Kansas |
| 10 | Marie Schmidt | 21 | Wife | — | Kansas |
| 11 | Carl G. Modine | 62 | Head | Retired | Illinois |
| 12 | Carl F. Modine | 27 | Son | Manager | Kansas |
| 13 | Ted P. Modine | 23 | Son | Attendant | Kansas |
| 14 | Mabel Miller | 64 | Sister | — | Illinois |
| 15 | Jack Stanhope | 20 | Lodger | Clerk | Kansas |
| 16 | Wayne Rutter | 22 | Lodger | Chemist | Kansas |
| 17 | Cecelia Mcfarland | 75 | Head | — | Sweden |
| 18 | Loren Charlson | 25 | Head | Attendant | Nebraska |
| 19 | Virginia Charlson | 19 | Wife | — | Nebraska |
| 20 | Anna Paulson | 90 | Head | — | Sweden |
| 21 | H. G. Paulson | 64 | Head | Cement Worker | Sweden |
| 22 | Marie Paulson | 48 | Wife | — | Kansas |
| 23 | Mildred Olson | 37 | Sister | Retired | Kansas |
| 24 | Esther Bengston | 61 | Head | — | Kansas |
| 25 | Albert Bengston | 66 | Husband | Traffic Cop | Sweden |
| 26 | Ulysses Vahasz | 20 | Head | Roughneck | Kansas |
| 27 | Lillian Vahasz | 20 | Wife | — | Kansas |
| 28 | N. Earl Davidson | 52 | Head | Drayman | Kansas |
| 29 | Edie Davidson | 41 | Wife | — | Nebraska |
| 30 | C. W. Arbuckle | 73 | Head | County Pole | Ohio |
| 31 | Inez Arbuckle | 67 | Wife | County Pole | Illinois |
| 32 | Iva Arbuckle | 36 | Daughter | House Work | Kansas |
| 33 | Alvin Demuth | 33 | Head | Body Man | Kansas |
| 34 | Mary Demuth | 34 | Wife | — | Kansas |
| 35 | Oscar Gustafson | 62 | Head | Retired | Kansas |
| 36 | Anna Gustafson | 56 | Wife | — | Sweden |
| 37 | Josephe Swanson | 63 | Head | Operates | Kansas |
| 38 | Minnie Swanson | 53 | Wife | — | Kansas |
| 39 | Oscar Swanson THIS PERSON | 23 | Son | Salesman | Kansas |
| 40 | Elizabeth Swanson | 20 | Daughter | — | Kansas |
Pedigree Summary
Oscar + 1 sibling
Gen 1 · 4 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)