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James Stevenson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this James Stevenson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Blanche & John — first a son (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Stevenson |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Car Cleaner |
| Industry | City Railway |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Car Cleaner |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Stevenson | Son | — | 31 | ~1909 |
| Blanche Stevenson | Head | — | 63 | ~1877 |
Census Appearances
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 21
King, Washington · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 31
King-County, Washington · implied b. ~1909 — 2 household members
| Surname | Stevenson |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Car Cleaner |
| Industry | City Railway |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| 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 James Stevenson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Blanche Stevenson (~0.92 confidence) and father John Stevenson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Blanche Stevenson
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Stevenson
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Stevenson
Son · 1940 · age 31 · b. ~1909 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04375-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blanche Stevenson | 63 | Head | Secretary | Indiana |
| 2 | James R Stevenson THIS PERSON | 31 | Son | Car Cleaner | Washington |
| 3 | James C Baumgartner | 50 | Head | Warehouse Worker | West Virginia |
| 4 | Edna Baumgartner | 48 | Wife | — | Washington |
| 5 | Albert A Smith | 57 | Head | Machinist | Illinois |
| 6 | Crystal Smith | 54 | Wife | — | Washington |
| 7 | Ralph E Mc Clintick | 45 | Head | Meat Cutter | Minnesota |
| 8 | Myrtle M Mc Clintick | 48 | Wife | — | Washington |
| 9 | Dean S Mc Clintick | 18 | Son | — | Washington |
| 10 | Seth Robinson | 44 | Head | Accounting Department | Arkansas |
| 11 | Marion Robinson | 44 | Wife | — | Minnesota |
| 12 | Seth Jr Robinson | 20 | Son | — | Washington |
| 13 | Line Cancelled | None | — | — | — |
| 14 | K Robert Richter | 55 | Head | Waiter | Germany |
| 15 | Margaret Richter | 49 | Wife | — | Germany |
| 16 | Eva L Richter | 16 | Daughter | — | Washington |
| 17 | John G Shaw | 53 | Head | Stock Clerk | Montana |
| 18 | Cora E Shaw | 55 | Wife | — | Washington |
| 19 | Edward E Smith | 52 | Head | Shingler | California |
| 20 | Hazel Smith | 46 | Wife | — | Washington |
| 21 | Russell Smith | 26 | Son | — | Washington |
| 22 | Edward Smith | 24 | Son | Bottler | Washington |
| 23 | George Smith | 21 | Son | Bucker | Washington |
| 24 | Fern Smith | 19 | Daughter | — | Washington |
| 25 | Oscar Longnecker | 43 | Head | Dock Man | Iowa |
| 26 | Lenora Longnecker | 43 | Wife | — | Washington |
| 27 | Opal Longnecker | 19 | Daughter | New Worker (Beauty Operator) | Washington |
| 28 | Dale Schanck | 35 | Head | Taxi Driver | Washington |
| 29 | Edith Schanck | 35 | Wife | Desk Clerk | Washington |
| 30 | Dorothy B Schanck | 15 | Daughter | — | Washington |
| 31 | Phyllis Schanck | 13 | Daughter | — | Washington |
| 32 | Karl W Gunther | 33 | Head | Salesman | Washington |
| 33 | Margaret Gunther | 36 | Wife | Waitress | Nebraska |
| 34 | Carol A Gunther | 0 | Daughter | 0 | Washington |
| 35 | Rudolph J Spiess | 46 | Head | Janitor | Minnesota |
| 36 | Elizabeth Spiess | 40 | Wife | Laundry | Minnesota |
| 37 | Valora Spiess | 20 | Daughter | — | Minnesota |
| 38 | Fred H Johnston | 41 | Head | Cement Finisher | Missouri |
| 39 | Justine J Johnston | 24 | Wife | — | Wisconsin |
| 40 | Toby Lee Johnston | 4 | Daughter | 0 | Washington |
Pedigree Summary
James
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)