OS
Oscar Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mason-County, Michigan
Our Model Tree links this Oscar Swanson across the 1920, 1930 and 1940 US Censuses in Mason-County, Michigan (XGBoost, ~Confirmed), with identified parents Gust & Anna — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Michigan |
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Victory Twp. |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Victory Twp |
| Est. Birth Year | ~1896 |
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 |
|---|---|---|---|---|
| Oscar Swanson | Head | — | 44 | ~1896 |
| Donald Swanson | Son | — | 8 | ~1932 |
| Edith Swanson | Spouse | — | 43 | ~1897 |
| Fredrick Swanson | Son | — | 12 | ~1928 |
Census Appearances
1920
Mason, Michigan
Son, age 24
Mason, Michigan · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Mason, Michigan
Head, age 34
Mason, Michigan · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 28 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2600 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Mason-County, Michigan
Head, age 44
Mason-County, Michigan · implied b. ~1896 — 4 household members
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Victory Twp. |
| 1935 Residence (County) | Mason |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Gust Swanson (~0.92 confidence) and mother Anna Swanson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gust Swanson
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Anna Swanson
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Swanson
Head · 1940 · age 44 · b. ~1896 · Michigan
★ 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 — Mason-County, Michigan
Open full size
1940 US Federal Census — Mason-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01788-00548)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rita Dale | 5 | Granddau | — | Michigan |
| 2 | Ray Brown | 43 | Head | Truck Driver | Michigan |
| 3 | Emma Brown | 43 | Wife | — | Michigan |
| 4 | Ardith Brown | 9 | Daughter | — | Michigan |
| 5 | Gerald Brown | 5 | Son | — | Michigan |
| 6 | Father George | 71 | Father | — | Michigan |
| 7 | Arthur Swanson | 40 | Head | Farmer | Michigan |
| 8 | Ethel Swanson | 39 | Wife | — | Michigan |
| 9 | Jean Swanson | 3 | Daughter | — | Michigan |
| 10 | Ann Swanson | 80 | Head | — | Sweden |
| 11 | Lilly Hines | 34 | Daughter | — | Michigan |
| 12 | Edith Hines | 42 | Daughter | — | Michigan |
| 13 | Dale Hines | 10 | Grandson | — | Michigan |
| 14 | Oscar Swanson THIS PERSON | 44 | Head | Farmer | Michigan |
| 15 | Edith Swanson | 43 | Wife | — | Michigan |
| 16 | Fredrick Swanson | 12 | Son | — | Michigan |
| 17 | Donald Swanson | 8 | Son | — | Michigan |
| 18 | Ole Thompson | 44 | Head | Farmer | Michigan |
| 19 | Ethel Thompson | 40 | Wife | — | Michigan |
| 20 | Irene Thompson | 18 | Daughter | — | Michigan |
| 21 | Freeman Thompson | 12 | Son | — | Michigan |
| 22 | Albert Thompson | 39 | Head | Farmer | Michigan |
| 23 | Ethel Thompson | 35 | Wife | — | Michigan |
| 24 | Don Max Thompson | 17 | Daughter | — | Michigan |
| 25 | Isadel Thompson | 15 | Daughter | — | Michigan |
| 26 | George Yorkey | 66 | Head | Farmer | Michigan |
| 27 | Bertha Yorkey | 48 | Wife | — | Michigan |
| 28 | William Gowens | 47 | Hired man | Laborer | Michigan |
| 29 | Nels Jensen | 75 | Head | Farmer | Denmark |
| 30 | Dorothy Jensen | 70 | Wife | — | Denmark |
| 31 | Victor Jensen | 31 | Son | Laborer | Nebraska |
| 32 | Inger Jensen | 26 | Daughter | Factory Laborer | Denmark |
| 33 | Earl Savage | 46 | Head | Farmer | Michigan |
| 34 | Bertha Peterson | 67 | Aunt | — | Michigan |
| 35 | Ruth Mccallum | 16 | Niece | — | Michigan |
| 36 | Henderson Mccallum | 60 | Hired man | Laborer | Michigan |
| 37 | Jess Peterson | 56 | Head | Farmer | Michigan |
| 38 | Charles Smith | 58 | Head | Farmer | Michigan |
| 39 | Ester Smith | 43 | Wife | — | Michigan |
| 40 | Louis Fordshave | 76 | Head | Farmer | Michigan |
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)