FT
Frank Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Frank Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Tony & Margaret — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Unincorporated place No. 2 Hill |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | labourer |
| Industry | City |
| Class of Worker | PW |
| Hours Worked | 156 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Labourer |
| Township / Ward | Unincorporated Place No 2 Hill |
| Est. Birth Year | ~1916 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Tony Thomas | Head | — | 62 | ~1878 |
| Reno Thomas | Son | — | 28 | ~1912 |
| Frank Thomas | Son | — | 24 | ~1916 |
| Margaret Thomas | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Mother Tongue | Italian |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 24
Allegheny-County, Pennsylvania · implied b. ~1916 — 4 household members
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Unincorporated place No. 2 Hill |
| 1935 Residence (County) | Allegheny |
| Occupation | labourer |
| Industry | City |
| Class of Worker | PW |
| Hours Worked | 156 |
| Income (1939) | 0 |
| Highest Grade | 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 Frank Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Tony Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Tony Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Thomas
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Reno Thomas
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03420-00922)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herman A. Brakel | 62 | Head | Labourer | Pennsylvania |
| 2 | Hazel R. Brakel | 21 | Daughter | — | Pennsylvania |
| 3 | Samuel Giles | 57 | Head | Engineer | Pennsylvania |
| 4 | Margaret Giles | 57 | Wife | — | Pennsylvania |
| 5 | Samuel Jr. Giles | 27 | Son | Truck Driver | Pennsylvania |
| 6 | Charles Giles | 23 | Son | New Worker | Pennsylvania |
| 7 | Alvin Giles | 21 | Son | New Worker | Pennsylvania |
| 8 | Dominica Merlina | 72 | Head | — | Italy |
| 9 | John Merlina | 30 | Son | Bar Tender | Italy |
| 10 | Anna Merlina | 28 | Daughter | — | Pennsylvania |
| 11 | Joseph Merlina | 28 | Son | Labourer | Pennsylvania |
| 12 | Sara Merlina | 26 | Daughter-in-law | — | Pennsylvania |
| 13 | Joseph Merlina | 5 | Son | — | Pennsylvania |
| 14 | Tony Thomas | 62 | Head | — | Italy |
| 15 | Margaret Thomas | 62 | Wife | — | Italy |
| 16 | Reno Thomas | 28 | Son | Truck Driver | Pennsylvania |
| 17 | Frank Thomas THIS PERSON | 24 | Son | Labourer | Pennsylvania |
| 18 | Harold Gray | 49 | Head | Group Leader | Pennsylvania |
| 19 | Mary Gray | 47 | Wife | — | Ohio |
| 20 | Edith Gray | 14 | Daughter | New Worker | Pennsylvania |
| 21 | Mary A. Gray | 8 | Daughter | — | Kansas |
| 22 | Edwin J. Gray | 53 | Head | Skilled Labour | Pennsylvania |
| 23 | Edith A. Gray | 53 | Wife | — | Pennsylvania |
| 24 | Edwin Jr. Gray | 23 | Son | Skilled Labour | Pennsylvania |
| 25 | Frank B. Mueller | 62 | Head | Coal Miner | Germany |
| 26 | Harry Davenport | 37 | Head | Laborer | Pennsylvania |
| 27 | Christina Davenport | 31 | Wife | — | Pennsylvania |
| 28 | Doris Davenport | 9 | Daughter | — | Pennsylvania |
| 29 | Harry Jr. Davenport | 7 | Son | — | Pennsylvania |
| 30 | Christina Davenport | 5 | Daughter | — | Pennsylvania |
| 31 | William Meyers | 57 | Head | — | Maryland |
| 32 | Bertha Meyers | 55 | Wife | — | Maryland |
| 33 | Anna Meyers | 21 | Daughter | Counting Work | Pennsylvania |
| 34 | Glenna Meyers | 17 | Daughter | New Worker | Pennsylvania |
| 35 | John Strothers | 62 | Head | Freight Conductor | Pennsylvania |
| 36 | Ida Strothers | 58 | Wife | — | Pennsylvania |
| 37 | Allan Strothers | 37 | Son | Labour | Pennsylvania |
| 38 | James Strothers | 27 | Son | New Worker | Pennsylvania |
| 39 | Ruth Strothers | 24 | Daughter | — | Pennsylvania |
| 40 | George Strothers | 17 | Son | — | Pennsylvania |
Pedigree Summary
Frank + 1 sibling
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)