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Carl Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Carl Olson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Anton & Olof — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Olson |
| Given Name | Carl G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Retail Coal & Wood |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Proprietor |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Victor Olson | Son | — | 23 | ~1917 |
| Goldie Olson | Daughter | — | 31 | ~1909 |
| Alma Olson | Spouse | — | 52 | ~1888 |
| Viola Olson | Daughter | — | 26 | ~1914 |
| Victor Olson | Head | — | 54 | ~1886 |
| Carl Olson | Son | — | 25 | ~1915 |
Census Appearances
1920
King, Washington
Son, age 7
King, Washington · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 16
King, Washington · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 25
King-County, Washington · implied b. ~1915 — 6 household members
| Surname | Olson |
| Given Name | Carl G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Proprietor |
| Industry | Retail Coal & Wood |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Carl Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anton Olsen (~0.92 confidence) and father Olof Olson (~0.92 confidence) and father Victor Olson (~0.92 confidence) and mother Agnes Olsen (~0.92 confidence) and mother Alma Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anton Olsen
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Olof Olson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Victor Olson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Agnes Olsen
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Alma Olson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Olson
Son · 1940 · age 25 · b. ~1915 · Washington
★ You are viewing this record
Sibling
Victor Olson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Goldie Olson
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Olson
Sibling · 1940 · age 26
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04375-00296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elwood G. Kirtland | 25 | Head | Salesman | Oregon |
| 2 | Elizabeth B. Kirtland | 18 | Wife | Saleswoman | Pennsylvania |
| 3 | Martha W. Todd | 67 | Head | — | Ohio |
| 4 | Evelyn D. Terhune | 43 | Lodger | — | New Mexico |
| 5 | Dorothy E. Terhune | 13 | Lodger | — | Washington |
| 6 | Robert C. Terhune | 9 | Son | — | Washington |
| 7 | George R. Gant | 37 | Head | Engineer | Idaho |
| 8 | Georgia L. Gant | 30 | Wife | — | Idaho |
| 9 | Weldon Gant | 10 | Son | — | Idaho |
| 10 | Joan Gant | 8 | Daughter | — | Washington |
| 11 | Rosa Gant | 70 | Mother | — | Utah |
| 12 | Elliott W. Linton | 28 | Head | Sheet Metal Worker | Washington |
| 13 | Mary M. Linton | 26 | Wife | — | Wisconsin |
| 14 | James S. Linton | 3 | Son | — | Washington |
| 15 | Robert Linton | 1 | Son | — | Washington |
| 16 | Arthur Denis | 47 | Head | Salesman | Oregon |
| 17 | Ella R. Denis | 40 | Wife | — | Minnesota |
| 18 | Raymond Denis | 18 | Son | — | Minnesota |
| 19 | Madge Denis | 17 | Daughter | — | Minnesota |
| 20 | Joyce Denis | 9 | Daughter | — | Washington |
| 21 | Donald Denis | 6 | Son | — | Washington |
| 23 | Ralph J. Sather | 24 | Head | Auto Mechanic | Washington |
| 24 | Mabel M. Sather | 24 | Wife | — | Minnesota |
| 25 | Paul Knell | 25 | Lodger | Mail Carrier | Washington |
| 26 | Albert Smith | 79 | Head | Cabinet Maker | Germany |
| 27 | Mette Smith | 70 | Wife | — | Denmark |
| 28 | Carl Petosa | 47 | Head | Molder | Italy |
| 29 | Caroline Petosa | 36 | Wife | — | Italy |
| 30 | Joseph Petosa | 15 | Son | — | Washington |
| 31 | Anna M. Petosa | 13 | Daughter | — | Washington |
| 32 | William J. Petosa | 9 | Son | — | Washington |
| 33 | Victor Olson | 54 | Head | Laborer | Sweden |
| 34 | Alma S. Olson | 52 | Wife | — | Sweden |
| 35 | Goldie E. Olson | 31 | Daughter | Stenographer | Sweden |
| 36 | Carl G. Olson THIS PERSON | 25 | Son | Proprietor | Washington |
| 37 | Viola M. Olson | 26 | Daughter | Packer | Washington |
| 38 | Victor Olson | 23 | Son | — | Washington |
| 39 | Alex Armstrong | 45 | Head | Carpenter | Canada English |
| 40 | Florence R. Armstrong | 44 | Wife | — | Canada English |
Pedigree Summary
Carl + 3 siblings
Gen 1 · 5 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)