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Arthur Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Arthur Thomas across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Repair Man |
| Industry | Light Co. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Repair Man |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1902 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Carpenter Thomas | Daughter | — | 17 | ~1923 |
| Arthur Thomas | Head | — | 38 | ~1902 |
| Ruby Thomas | Spouse | — | 34 | ~1906 |
Census Appearances
1920
King, Washington
Son, age 18
King, Washington · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Head, age 28
King, Washington · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 27 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Clerk |
| Industry | City Light |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 38
King-County, Washington · implied b. ~1902 — 3 household members
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Repair Man |
| Industry | Light Co. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 8 |
| 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 Arthur Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Thomas (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1862
Source father
● Household
· direct · ~0.92
This person
Anchor record
Arthur Thomas
Head · 1940 · age 38 · b. ~1902 · 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-t0627-04383-00974)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Locklin | 39 | daughter | — | Colorado |
| 42 | Darrell Locklin | 6 | son | — | Washington |
| 43 | Clifford Locklin | 4 | son | — | Washington |
| 44 | Chris Rasmussen | 62 | Head | Maintenance | Denmark |
| 45 | Dorothy Rasmussen | 60 | Wife | — | Denmark |
| 46 | Edward Mattson | 39 | Head | Mechanic | Wisconsin |
| 47 | Katherine Mattson | 35 | Wife | Machine Operator | Wisconsin |
| 48 | William Woodruff | 42 | Head | Order Clerk | Michigan |
| 49 | Tressa Woodruff | 41 | Wife | — | Ohio |
| 50 | Wayne Woodruff | 20 | son | Waiter | Washington |
| 51 | Henry Webb | 38 | Head | Truck Driver | Canada English |
| 52 | Amalia Webb | 36 | Wife | Preserving | Washington |
| 53 | Dorothy Webb | 13 | daughter | — | Washington |
| 54 | Harry Webb | 11 | son | — | Washington |
| 55 | Maxine Webb | 9 | daughter | — | Washington |
| 56 | Clifford Bell | 40 | Head | Gig Man | Canada English |
| 57 | Jessie Bell | 34 | Wife | — | Texas |
| 58 | Joan Bell | 8 | daughter | — | Washington |
| 59 | Ellen Bell | 2 | daughter | — | Washington |
| 60 | Edwin Walling | 62 | Father-in-law | Chief Clerk | Texas |
| 61 | Elmer C. Warner | 45 | Head | Salesman | Idaho |
| 62 | Francis W. Warner | 16 | son | — | Washington |
| 63 | Alice Warner | 15 | daughter | — | Washington |
| 64 | Clara G. Warner | 70 | Mother | — | Idaho |
| 65 | Clarence Smith | 34 | Head | Machinist | Montana |
| 66 | Helen Smith | 30 | Wife | — | Colorado |
| 67 | Roger Smith | 5 | son | — | Washington |
| 68 | Janet Smith | 4 | daughter | — | Washington |
| 69 | Bert J. Blauvelt | 65 | Head | Chief Engineer | Pennsylvania |
| 70 | Adina Blauvelt | 65 | Wife | — | Virginia |
| 71 | Arthur Thomas THIS PERSON | 38 | Head | Repair Man | Washington |
| 72 | Ruby Thomas | 34 | Wife | — | California |
| 73 | Carpenter, Eleanor Thomas | 17 | daughter | — | Washington |
| 74 | Charles Todd | 51 | Head | Tailor | Czechoslovakia |
| 75 | Hattie B. Todd | 51 | Wife | — | Kansas |
| 76 | Charles J. Todd | 23 | son | Loader | Washington |
| 77 | Robert E. Todd | 20 | son | New Worker | Washington |
| 78 | — | None | — | — | — |
| 79 | James N. Smith | 33 | Head | Mechanic | Scotland |
| 80 | Louise Smith | 30 | Wife | — | Washington |
Pedigree Summary
Arthur
Gen 1 · 1 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)