OS
Oscar Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Oscar Swanson across the 1920, 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed), with identified parents Frank & Alma — first a son (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Son
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Hill River Twp. |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Hill River Twp |
| Est. Birth Year | ~1904 |
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 Swanson | Son | — | 36 | ~1904 |
| Anna Swanson | Other | — | 28 | ~1912 |
| Berjit Swanson | Head | — | 64 | ~1876 |
Census Appearances
1920
Polk, Minnesota
Son, age 19
Polk, Minnesota · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farm work |
| Industry | Home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Son, age 27
Polk, Minnesota · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Minnesota
Son, age 36
Polk-County, Minnesota · implied b. ~1904 — 3 household members
| Surname | Swanson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Hill River Twp. |
| 1935 Residence (County) | Polk |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Swanson (~0.92 confidence) and mother Alma Swanson (~0.92 confidence) and mother Berjit Swanson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Swanson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Alma Swanson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Berjit Swanson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Swanson
Son · 1940 · age 36 · b. ~1904 · 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 — Polk-County, Minnesota
Open full size
1940 US Federal Census — Polk-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01949-00747)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Thulien | 66 | Wife | — | Minnesota |
| 2 | Enoch Thulien | 27 | Son | Salesman | North Dakota |
| 3 | William Bartz | 50 | Head | Farmer | Minnesota |
| 4 | Emma Bartz | 46 | Wife | — | Minnesota |
| 5 | Raymond Bartz | 19 | Son | Farm Hand | Minnesota |
| 6 | Harold Bartz | 15 | Son | — | Minnesota |
| 7 | Dorothy Bartz | 13 | Daughter | — | Minnesota |
| 8 | Wilma Bartz | 8 | Daughter | — | Minnesota |
| 9 | Jean Bartz | 4 | Daughter | — | Minnesota |
| 10 | Peder Christad | 30 | Head | Farmer | Minnesota |
| 11 | Thora Christad | 69 | Mother | — | Minnesota |
| 12 | Bennie Syverson | 48 | Head | Farmer | Minnesota |
| 13 | Fred Syverson | 54 | Brother | Farmer | Minnesota |
| 14 | Josephine Nelson | 65 | Sister | — | Iowa |
| 15 | Eddie Smith | 42 | Head | Farmer | Minnesota |
| 16 | Anna Smith | 43 | Wife | — | North Dakota |
| 17 | Arleen Smith | 13 | Daughter | — | North Dakota |
| 18 | Gordon Smith | 10 | Son | — | North Dakota |
| 19 | Henry Smith | 7 | Son | — | North Dakota |
| 20 | Berjit Swanson | 64 | Head | — | Norway |
| 21 | Oscar Swanson THIS PERSON | 36 | Son | Farmer | Minnesota |
| 22 | Anna Swanson | 28 | Daughter-in-law | — | Minnesota |
| 23 | Hilmer Johnson | 40 | Head | Farmer | Minnesota |
| 24 | Olga Johnson | 39 | Wife | — | Minnesota |
| 25 | Sharon Dale Johnson | 2 | Daughter | — | Minnesota |
| 26 | Agnes Johnson | 22 | Sister | Teacher | Minnesota |
| 27 | Christian Hanson | 74 | Head | Farmer | Norway |
| 28 | Dorothy Hanson | 47 | Wife | — | Minnesota |
| 29 | Earl Hanson | 17 | Son | Farmer | Minnesota |
| 30 | Hans J. Steen | 60 | Head | Farmer | Wisconsin |
| 31 | Olive Steen | 62 | Wife | — | Minnesota |
| 32 | Twila Steen | 20 | Daughter | — | North Dakota |
| 33 | Alvin Miller | 24 | Head | Farmer | Minnesota |
| 34 | Gladys Miller | 21 | Wife | — | Minnesota |
| 35 | Roger Miller | 3 | Son | — | Minnesota |
| 36 | Barbara Miller | 1 | Daughter | — | Minnesota |
| 37 | Alfred Strom | 48 | Head | Farmer | Minnesota |
| 38 | Minnie Strom | 48 | Wife | — | Minnesota |
| 39 | Lester Strom | 19 | Son | Farmer | Minnesota |
| 40 | Bobby Strom | 11 | 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)