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Thomas Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Annie — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Roller |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Roller |
| Township / Ward | Homestead |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Thomas | Daughter | — | 1 | ~1939 |
| Thomas Thomas | Head | — | 30 | ~1910 |
| Elizabeth Thomas | Other | — | 19 | ~1921 |
| Blanche Thomas | Other | — | 57 | ~1883 |
| Grace Thomas | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 9
Allegheny, Pennsylvania · implied b. ~1911 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 20
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Steel Pourer |
| Industry | Openhearth Steel Wks |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 30
Allegheny-County, Pennsylvania · implied b. ~1910 — 5 household members
| Surname | Thomas |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Occupation | Roller |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 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) and mother Annie Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Annie Thomas
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Thomas
Head · 1940 · age 30 · b. ~1910 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03406-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Thomas | 28 | Head | Yard Clerk | Pennsylvania |
| 42 | Alma Thomas | 32 | Wife | — | Pennsylvania |
| 43 | Jesse Kelley | 45 | Head | Gauger | Pennsylvania |
| 44 | Margaret Kelley | 41 | Wife | — | Pennsylvania |
| 45 | Elmer Kelley | 21 | Son | Laborer | Pennsylvania |
| 46 | June Kelley | 15 | Daughter | — | Pennsylvania |
| 47 | Clyde Callender | 53 | Head | Safety Inspector | Pennsylvania |
| 48 | Martha Callender | 52 | Wife | — | Pennsylvania |
| 49 | Flora Callender | 18 | Daughter | — | Pennsylvania |
| 50 | Evelyn Callender | 13 | Daughter | — | Pennsylvania |
| 51 | Martha Callender | 9 | Daughter | — | Pennsylvania |
| 52 | Isaac Schwadron | 54 | Head | Owner | Poland |
| 53 | Ann Schwadron | 45 | Wife | Clerk | England |
| 54 | Jesse G. Watkins | 49 | Head | — | Pennsylvania |
| 55 | Ethel M. Watkins | 26 | Daughter | Shipping Dept | Pennsylvania |
| 56 | George A. Watkins | 22 | Son | — | Pennsylvania |
| 57 | Robert A. Watkins | 20 | Son | Junior Clerk | Pennsylvania |
| 58 | Violet L. Watkins | 14 | Daughter | — | Pennsylvania |
| 59 | Mary Ann Fish | 82 | Mother | — | Wales |
| 60 | Thomas Thomas THIS PERSON | 30 | Head | Roller | Pennsylvania |
| 61 | Grace Thomas | 29 | Wife | — | Pennsylvania |
| 62 | Mary Grace Thomas | 1 | Daughter | — | Pennsylvania |
| 63 | Blanche Thomas | 57 | Mother | Matron | Pennsylvania |
| 64 | Elizabeth Thomas | 19 | Sister | — | Pennsylvania |
| 65 | Thomas Smiley | 86 | Head | — | Scotland |
| 66 | Mary Smiley | 75 | Wife | — | Scotland |
| 67 | Jeanette Smiley | 42 | Daughter | Clerk | Pennsylvania |
| 68 | Maryite Smiley | 23 | Daughter | — | Pennsylvania |
| 70 | Stephen Felack | 47 | Head | Lathe Hand | Hungary |
| 71 | Susan Felack | 42 | Wife | — | Pennsylvania |
| 72 | Joseph R. Evans | 35 | Head | Millwright | Pennsylvania |
| 73 | Anna Evans | 32 | Wife | Wrapper | Pennsylvania |
| 74 | Marcella Evans | 12 | Daughter | — | Pennsylvania |
| 75 | Helen Bendzsay | 22 | Niece | Wrapper | Pennsylvania |
| 76 | Nettie K. Armstrong | 58 | Head | — | Pennsylvania |
| 77 | Adam M. Armstrong | 35 | Son | 100 Inch Mill Laborer | Pennsylvania |
| 78 | Mary A. Armstrong | 29 | Daughter | Grade Teacher | Pennsylvania |
| 79 | Paul H. Armstrong | 22 | Son | Armor Plate Laborer | Pennsylvania |
| 80 | George Hlavaty | 40 | Head | Structural Laborer | Pennsylvania |
Pedigree Summary
Thomas
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)