OL
Oscar Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clearwater-County, Minnesota
Our Model Tree links this Oscar Larson across the 1910, 1920, 1930 and 1940 US Censuses in Clearwater-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clearwater-County, Minnesota |
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Falk Township |
| 1935 Residence (County) | Clearwater |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Falk Township |
| Est. Birth Year | ~1885 |
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 Larson | Head | — | 55 | ~1885 |
| Sidney Larson | Son | — | 20 | ~1920 |
| Alvin Larson | Son | — | 29 | ~1911 |
| Martha Larson | Spouse | — | 56 | ~1884 |
Census Appearances
1910
Clearwater, Minnesota
Head, age 23
Clearwater, Minnesota · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Years Married | 0 |
| Father's Birthplace | Nor. Norwegian |
| Mother's Birthplace | Minn. Norwegian |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Clearwater, Minnesota
Head, age 35
Clearwater, Minnesota · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Clearwater, Minnesota
Head, age 45
Clearwater, Minnesota · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Clearwater-County, Minnesota
Head, age 55
Clearwater-County, Minnesota · implied b. ~1885 — 4 household members
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Falk Township |
| 1935 Residence (County) | Clearwater |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Larson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oscar Larson
Head · 1940 · age 55 · b. ~1885 · 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 — Clearwater-County, Minnesota
Open full size
1940 US Federal Census — Clearwater-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-00914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leo Bonik | 62 | Head | Farmer | Germany |
| 42 | Frances Bonik | 51 | Wife | — | Minnesota |
| 43 | John Bonik | 39 | Son | Laborer | Minnesota |
| 44 | Alois Bonik | 32 | Son | Laborer | Minnesota |
| 45 | Ted Bonik | 28 | Son | Laborer | Minnesota |
| 46 | Joe Bonik | 25 | Son | Laborer | Minnesota |
| 47 | Martha Bonik | 17 | Daughter | — | Wisconsin |
| 48 | Fred Endsley | 66 | Head | Farmer | Illinois |
| 49 | Sigrid Gould | 44 | Head | Farmer | Minnesota |
| 50 | Jobye Gould | 13 | Daughter | — | Minnesota |
| 51 | Richard Gould | 12 | Son | — | Minnesota |
| 52 | Arlin Gould | 11 | Son | — | Minnesota |
| 53 | Delores Gould | 9 | Daughter | — | Minnesota |
| 54 | Elmer Green | 42 | Lodger | Laborer | Minnesota |
| 55 | Oscar Larson THIS PERSON | 55 | Head | Farmer | Minnesota |
| 56 | Martha Larson | 56 | Wife | — | Minnesota |
| 57 | Alvin Larson | 29 | Son | Laborer | Minnesota |
| 58 | Sidney Larson | 20 | Son | Laborer | Minnesota |
| 59 | John Machler | 67 | Head | Farmer | Holland |
| 60 | Anton Mathison | 66 | Head | Farmer | Minnesota |
| 61 | Louis Vigoren | 66 | Head | Farmer | Iowa |
| 62 | Emma Vigoren | 54 | Wife | — | Minnesota |
| 63 | Lyle Vigoren | 18 | Son | Laborer | Minnesota |
| 64 | Roy Vigoren | 17 | Son | Laborer | Minnesota |
| 65 | Esther Pederson | 41 | Head | Farmer | South Dakota |
| 66 | Edd Bradshaw | 43 | Laborer | Laborer | Montana |
| 67 | Magnus Bratland | 46 | Head | Farmer | Minnesota |
| 68 | Lena Bratland | 43 | Wife | — | Minnesota |
| 69 | Joyce Bratland | 19 | Daughter | — | Minnesota |
| 70 | Mark Spencer | 57 | Head | Farmer | Minnesota |
| 71 | Raymond Spencer | 34 | Son | Laborer | Minnesota |
| 72 | Lorence Spencer | 14 | Son | — | Minnesota |
| 73 | Chester Spencer | 12 | Son | — | Minnesota |
| 74 | Perry Eastwood | 53 | Head | Farmer | Wisconsin |
| 75 | Anna Eastwood | 50 | Wife | — | South Dakota |
| 76 | Joseph Eastwood | 27 | Son | Laborer | South Dakota |
| 77 | Oliver Eastwood | 26 | Son | Laborer | South Dakota |
| 78 | Viola Eastwood | 22 | Daughter | Waitress | Minnesota |
| 79 | Arline Eastwood | 13 | Daughter | — | Minnesota |
| 80 | Ed. Berman | 42 | Head | Farmer | Minnesota |
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)