TT
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 Henry & Alice — first a head (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Thomas J. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | North Braddock |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Tool-Grinder |
| Industry | Electric Prod. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Tool-Grinder |
| Township / Ward | North Braddock |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Thomas Thomas | Head | — | 51 | ~1889 |
| Lillian Thomas | Other | — | 22 | ~1918 |
| Betty Thomas | Other | — | 15 | ~1925 |
| Thomas Thomas | Son | — | 29 | ~1911 |
| Martha Thomas | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 30
Allegheny, Pennsylvania · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Aluminum Wk |
| Industry | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Head, age 40
Allegheny, Pennsylvania · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Tommy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Tool Grinder |
| Industry | Electric Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Head, age 51
Allegheny-County, Pennsylvania · implied b. ~1889 — 5 household members
| Surname | Thomas |
| Given Name | Thomas J. Sr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | North Braddock |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Tool-Grinder |
| Industry | Electric Prod. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Henry Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Thomas
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Thomas
Head · 1940 · age 51 · b. ~1889 · 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
40 people indexed on this census page (nara:1940:m-t0627-03413-00066)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Mohan | 12 | Daughter | — | Penna |
| 42 | Charles Mohan | 10 | Son | — | Penna |
| 43 | Grace Mohan | 8 | Daughter | — | Penna |
| 44 | John J. Sr. Bache | 51 | Head | Roll-Hand | Penna |
| 45 | Helen Bache | 47 | Wife | — | Penna |
| 46 | Dolores M. Bache | 3 | Daughter | — | Penna |
| 47 | George Kudla | 31 | Head | Painter | Czecho-Slovakia |
| 48 | Mary Kudla | 23 | Wife | — | Penna |
| 49 | Barbara Kudla | 60 | Mother | — | Czecho-Slovakia |
| 50 | Elizabeth Mohan | 79 | Head | — | Irish Free State |
| 51 | Vincent Mohan | 42 | Son | Labor | Penna |
| 52 | William Perkins | 37 | Head | Machinist | England |
| 53 | Wilma Perkins | 30 | Wife | — | Penna |
| 54 | William Perkins | 9 | Son | — | Penna |
| 55 | Louise Perkins | 7 | Daughter | — | Penna |
| 56 | Charles Leech | 15 | Son | — | Penna |
| 57 | Ronald Leech | 15 | Son | — | Penna |
| 58 | James Leech | 55 | Head | Skilled Labor | Penna |
| 59 | Mary Leech | 52 | Wife | — | Penna |
| 60 | James Leech | 25 | Son | Labor | Penna |
| 61 | Francis Leech | 23 | Son | Brakeman | Penna |
| 62 | Robert Leech | 23 | Son | Assembler | Penna |
| 63 | Mary M. Leech | 17 | Daughter | — | Penna |
| 64 | Bella Sellars | 58 | Head | — | Scotland |
| 65 | Irene Sellars | 27 | Daughter | — | Penna |
| 66 | Thomas J. Sr. Thomas THIS PERSON | 51 | Head | Tool-Grinder | England |
| 67 | Martha Thomas | 53 | Wife | — | England |
| 68 | Thomas J. Jr. Thomas | 29 | Son | Salesman | England |
| 69 | Lillian Thomas | 22 | Daughter-in-law | — | Penna |
| 70 | Betty Jane Thomas | 15 | Granddaughter | — | Penna |
| 71 | Mary Burke | 69 | Head | — | Irish Free St. |
| 72 | John Burke | 36 | Son | Bar-Tender | Penna |
| 73 | Martin Burke | 30 | Son | Labor | Penna |
| 74 | Regis Burke | 27 | Son | Labor | Penna |
| 75 | Nora Welsh | 72 | Sister | — | Irish State |
| 76 | John Moran | 89 | Lodger | — | Irish State |
| 77 | John A. Pribisco | 27 | Head | Labor | Penna |
| 78 | Ruth Pribisco | 23 | Wife | — | Penna |
| 79 | Albert N. Keffer | 43 | Head | Teller | Penna |
| 80 | Alva Keffer | 37 | Wife | — | Penna |
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)