JT
Joseph Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Joseph Thomas across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Harry & Joseph — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Thomas |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | painter |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 340 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Painter |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1906 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mollyann Thomas | Daughter | — | 6 | ~1934 |
| Joseph Thomas | Head | — | 34 | ~1906 |
| Wilma Thomas | Spouse | — | 33 | ~1907 |
Census Appearances
1910
King, Washington
Son, age 4
King, Washington · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wales |
| Mother's Birthplace | Kentucky |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 13
King, Washington · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Jos. M. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wales |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 24
King, Washington · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Joseph M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wales |
| Mother's Birthplace | South Dakota |
| Occupation | Solicitor |
| Industry | College |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 34
King-County, Washington · implied b. ~1906 — 3 household members
| Surname | Thomas |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Occupation | painter |
| Industry | own business |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 340 |
| Highest Grade | Hs 1 |
| 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 Joseph Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Thomas (~0.92 confidence) and father Joseph Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father Jos Thomas (~0.92 confidence) and mother Minnie Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Thomas
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Joseph Thomas
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Jos Thomas
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Minnie Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Thomas
Head · 1940 · age 34 · b. ~1906 · 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
38 people indexed on this census page (nara:1940:m-t0627-04378-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Merritt E. Adams | 54 | Head | Fireman | Indiana |
| 2 | Marjorie Adams | 42 | Wife | — | Indiana |
| 3 | Cora Adams | 21 | Daughter | Sales Lady | Washington |
| 4 | Dorothy Adams | 15 | Daughter | — | Washington |
| 5 | Peter D. Bergman | 70 | Lodger | — | Sweden |
| 6 | Joseph Thomas THIS PERSON | 34 | Head | Painter | Washington |
| 7 | Wilma Thomas | 33 | Wife | Mechanic | Washington |
| 8 | Mollyann Thomas | 6 | Daughter | — | Washington |
| 9 | Lucien Love | 38 | Head | Salesman | Missouri |
| 10 | Virginia Love | 33 | Wife | Bookkeeper | Washington |
| 11 | Mayme Blessinger | 57 | Mother in law | — | Indiana |
| 12 | Jack Dana | 28 | Head | Truck Driver | Washington |
| 13 | Ines Dana | 25 | Wife | — | Alaska |
| 14 | Michael Dana | 5 | Son | — | Washington |
| 15 | Judith Dana | 2 | Daughter | — | Washington |
| 16 | Etha Nickelson | 20 | Lodger | Stenographer | Washington |
| 17 | Martin Manghis | 25 | Lodger | Metal Machinist | Iowa |
| 18 | Leonard Russell | 30 | Head | Bakery Salesman | Canada-English |
| 19 | Coarna Russell | 31 | Wife | — | Washington |
| 20 | Richard Russell | 8 | Son | — | Washington |
| 21 | Delores Russell | 4 | Daughter | — | Washington |
| 22 | Ronald Mcholland | 30 | Head | Proprietor | Washington |
| 23 | Vivian Mcholland | 28 | Wife | — | Washington |
| 24 | Ronald Mcholland | 9 | Son | — | Washington |
| 25 | Frank De Clercy | 29 | Head | Boatbuilder | Washington |
| 26 | Margaret De Clercy | 26 | Wife | — | Washington |
| 27 | Mary Lou De Clercy | 5 | Daughter | — | Washington |
| 28 | Frank De Clercy | 1 | Son | — | Washington |
| 29 | Gustaf Engstrom | 64 | Head | — | Sweden |
| 30 | Regina Engstrom | 62 | Wife | — | Sweden |
| 31 | Bernard Dixon | 26 | Head | Apprentice Painter | Massachusetts |
| 32 | Yvonne Dixon | 30 | Wife | — | France |
| 33 | Ronald Dixon | 2 | Son | — | Washington |
| 34 | Annette Dixon | 0 | Daughter | — | Washington |
| 35 | Marion Ueland | 25 | Head | Interior Decorator | Washington |
| 36 | Alma Ueland | 22 | Wife | — | Washington |
| 37 | Sonia Ueland | 2 | Daughter | — | Washington |
| 38 | Marion Lee Ueland | 0 | Daughter | — | Washington |
Pedigree Summary
Joseph
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)