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Thomas Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Whatcom-County, Washington
Our Model Tree links this Thomas Williams across the 1910, 1920, 1930 and 1940 US Censuses in Whatcom-County, Washington (XGBoost, ~Confirmed), with identified parents Billy & Ellen — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Whatcom-County, Washington |
| Surname | Williams |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Baker Township |
| 1935 Residence (County) | Whatcom |
| Additional Details | |
| Occupation | Faller |
| Industry | Logging Camp |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 792 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Faller |
| Township / Ward | Baker Township |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mildred Williams | Daughter | — | 19 | ~1921 |
| Pearl Williams | Daughter | — | 17 | ~1923 |
| Thomas Williams | Head | — | 39 | ~1901 |
| Olive Williams | Spouse | — | 39 | ~1901 |
Census Appearances
1910
Whatcom, Washington
Son, age 9
Whatcom, Washington · implied b. ~1901 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Tommy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whatcom, Washington
Son, age 19
Whatcom, Washington · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Occupation | Laborer |
| Industry | Logging Camp |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whatcom, Washington
Head, age 29
Whatcom, Washington · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 20 |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Occupation | Logger |
| Industry | Logging Camp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Whatcom-County, Washington
Head, age 39
Whatcom-County, Washington · implied b. ~1901 — 4 household members
| Surname | Williams |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Baker Township |
| 1935 Residence (County) | Whatcom |
| Occupation | Faller |
| Industry | Logging Camp |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 792 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Thomas Williams across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Billy Williams (~0.92 confidence) and mother Ellen Williams (~0.92 confidence) and mother Helen Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Billy Williams
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ellen Williams
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Helen Williams
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Williams
Head · 1940 · age 39 · b. ~1901 · 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 — Whatcom-County, Washington
Open full size
1940 US Federal Census — Whatcom-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04368-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vivian George | 11 | Daughter | — | Washington |
| 2 | Le Roy George | 9 | Son | — | Washington |
| 3 | Clise George | 6 | Daughter | — | Washington |
| 4 | Clarence Cullup | 49 | Head | Mechanic | Oklahoma |
| 5 | Norma Cullup | 45 | Wife | — | Washington |
| 6 | Gene Cullup | 13 | Son | — | Oregon |
| 7 | Lynn Cullup | 13 | Son | — | Oregon |
| 8 | Floyd Cullup | 11 | Son | — | Oregon |
| 9 | Alexander Mcarthur | 41 | Head | Caretaker | Scotland |
| 10 | Lillian Mcarthur | 36 | Wife | — | Wisconsin |
| 11 | Kenneth Mcarthur | 15 | Son | — | Washington |
| 12 | Douglas Mcarthur | 10 | Son | — | Washington |
| 13 | Eileen Mcarthur | 8 | Daughter | — | Washington |
| 14 | Henry John Luth | 35 | Head | Faller | Minnesota |
| 15 | Eva Luth | 30 | Wife | — | Washington |
| 16 | Robert B Luth | 7 | Son | — | Washington |
| 17 | Corwin Luth | 5 | Son | — | Washington |
| 18 | Helen Luth | 3 | Daughter | — | Washington |
| 19 | Alma Luth | 1 | Daughter | — | Washington |
| 20 | Joe Dyke | 40 | Head | Donkey Engine | Poland |
| 21 | Anna Dyke | 43 | Wife | — | Washington |
| 22 | Anna Marie Dyke | 11 | Daughter | — | Washington |
| 23 | Lois Mary Dyke | 12 | Daughter | — | Washington |
| 24 | William Ridenhour | 45 | Head | Filer | Washington |
| 25 | Grace Ridenhour | 35 | Wife | — | Washington |
| 26 | Hall Ridenhour | 19 | Son | Assistant | Washington |
| 27 | Robert Ridenhour | 14 | Son | Dishwasher | Washington |
| 28 | Betty Ridenhour | 12 | Daughter | — | Washington |
| 29 | Ervin Lockwood | 31 | Head | Road Construction | Ohio |
| 30 | Dorothy Lockwood | 26 | Wife | — | Oregon |
| 31 | Trevanian Young | 78 | Head | — | Ohio |
| 32 | George P Reid | 77 | Head | — | England |
| 33 | Martha Williams | 36 | Head | — | England |
| 34 | Marvin Williams | 16 | Son | Farming | Canada |
| 35 | Milton Williams | 15 | Son | Farming | England |
| 36 | La Vern Williams | 6 | Daughter | — | Washington |
| 37 | Thomas Williams THIS PERSON | 39 | Head | Faller | Washington |
| 38 | Olive Williams | 39 | Wife | — | Canada |
| 39 | Mildred Williams | 19 | Daughter | Housework | Washington |
| 40 | Pearl Williams | 17 | Daughter | Housework | Washington |
Related Census Records
Pedigree Summary
Thomas
Gen 1 · 3 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)