OC
Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Minnesota
Our Model Tree links this Oscar Carlson across the 1910, 1920, 1930 and 1940 US Censuses in Washington-County, Minnesota (XGBoost, ~Confirmed), with identified parents Emil & Sophia — first a head (b.~1896), then head of a 3-person household.
Age 44
b. ~1896
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Minnesota |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Bayport Village |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Guard |
| Industry | State Prison |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1700 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Guard |
| Township / Ward | Bayport Village |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Eva Carlson | Spouse | — | 37 | ~1903 |
| Betty Carlson | Daughter | — | 17 | ~1923 |
| Oscar Carlson | Head | — | 44 | ~1896 |
Census Appearances
1910
Washington, Minnesota
Son, age 14
Washington, Minnesota · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Washington, Minnesota
Other, age 24
Washington, Minnesota · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Helper |
| Industry | Window factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Washington, Minnesota
Head, age 33
Washington, Minnesota · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Guard |
| Industry | State Prison |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1700 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Washington-County, Minnesota
Head, age 44
Washington-County, Minnesota · implied b. ~1896 — 3 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Bayport Village |
| 1935 Residence (County) | Washington |
| Occupation | Guard |
| Industry | State Prison |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1700 |
| Highest Grade | No 5 |
| 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 Carlson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emil Carlson (~0.92 confidence) and mother Sophia Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emil Carlson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Sophia Carlson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1940 · age 44 · b. ~1896 · 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 — Washington-County, Minnesota
Open full size
1940 US Federal Census — Washington-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01967-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Le Claire | 61 | Wife | — | Minnesota |
| 42 | Allen Le Claire | 33 | Son | Stone Cutter | Minnesota |
| 43 | Walter Le Claire | 25 | Son | Machine Worker | Minnesota |
| 44 | James Le Claire | 19 | Son | Laborer | Minnesota |
| 45 | June Le Claire | 15 | Daughter | — | Minnesota |
| 46 | Victor John Wick | 57 | Head | Repair Man | Sweden |
| 47 | Esther Wick | 50 | Wife | — | Minnesota |
| 48 | Jesse Daniels | 45 | Head | Woodworker | Wisconsin |
| 49 | Irene Daniels | 41 | Wife | — | Wisconsin |
| 50 | Lloyd Daniels | 22 | Son | Office Worker | Wisconsin |
| 51 | Gordon Daniels | 18 | Son | Grocery Clerk | Minnesota |
| 52 | Robert Daniels | 11 | Son | — | Minnesota |
| 53 | Caroline Swanson | 77 | Head | — | Sweden |
| 54 | Lawton Porter | 40 | Head | Guard | Minnesota |
| 55 | Florence Porter | 42 | Wife | — | Minnesota |
| 56 | Mary Lou Porter | 13 | Daughter | — | Minnesota |
| 57 | Thomas Porter | 10 | Son | — | Minnesota |
| 58 | Arthur Kleinschmidt | 55 | Head | — | Minnesota |
| 59 | Earl Kleinschmidt | 29 | Son | Glazer | Minnesota |
| 60 | Ben F Richert | 50 | Head | Machinist Operator | Illinois |
| 61 | Selma M Richert | 46 | Wife | — | Minnesota |
| 62 | Harriet Richert | 24 | Daughter | School Teacher | Minnesota |
| 63 | Gerald Richert | 21 | Son | Bookkeeper | Minnesota |
| 64 | Ole Ness | 69 | Head | Bundler | Norway |
| 65 | Mary Ness | 54 | Wife | — | Minnesota |
| 66 | Evelyn Ness | 19 | Daughter | Housekeeper | Minnesota |
| 67 | Axel Dahl | 45 | Head | Cabinet Maker | Minnesota |
| 68 | Alice Dahl | 41 | Wife | — | Minnesota |
| 69 | Robert Dahl | 16 | Son | — | Minnesota |
| 70 | Oscar Carlson THIS PERSON | 44 | Head | Guard | Minnesota |
| 71 | Eva Carlson | 37 | Wife | Waitress | Wisconsin |
| 72 | Betty Lou Carlson | 17 | Daughter | — | Wisconsin |
| 73 | Charles Danielson | 42 | Head | Machine Operator | Minnesota |
| 74 | Ida Danielson | 35 | Wife | — | Minnesota |
| 75 | Stephen Danielson | 13 | Son | — | Minnesota |
| 76 | Riley Underwood | 53 | Head | Chief Of Police | English Canada |
| 77 | Clyde Underwood | 50 | Son | Laborer | Minnesota |
| 78 | Lydia Underwood | 30 | Daughter | — | Minnesota |
| 79 | Allan Underwood | 28 | Son | — | Minnesota |
| 80 | James Underwood | 24 | Son | Laborer | Minnesota |
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)