FT
Frank Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Frank Thompson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Geo — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blawnox |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Clerk |
| Industry | Work house |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1680 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Oakmont Borough |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Thompson | Head | — | 30 | ~1910 |
| Paul Thompson | Son | — | 2 | ~1938 |
| Elizabeth Thompson | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | United States |
| Occupation | none |
| 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 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Frank A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | West Virginia |
| 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 — 3 household members
| Surname | Thompson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blawnox |
| 1935 Residence (County) | Allegheny |
| Occupation | Clerk |
| Industry | Work house |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1680 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thompson (~0.92 confidence) and father Geo Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thompson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Geo Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Thompson
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-t0627-03413-00674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie R Wyant | 58 | Mother | — | Canada |
| 2 | Elsa V Ashmore | 47 | Head | Teacher | Pennsylvania |
| 3 | Harry Mccutcheon | 47 | Head | Auto Painting And Body Repair | Pennsylvania |
| 4 | Marguerite Mccutcheon | 35 | Wife | — | Pennsylvania |
| 5 | Louise Mccutcheon | 11 | Daughter | — | Pennsylvania |
| 6 | Claude Mccutcheon | 8 | Son | — | Pennsylvania |
| 7 | Wilbert Mccutcheon | 3 | Son | — | Pennsylvania |
| 8 | Frank Thompson THIS PERSON | 30 | Head | Clerk | Pennsylvania |
| 9 | Elizabeth Thompson | 30 | Wife | — | Pennsylvania |
| 10 | Paul Thompson | 2 | Son | — | Pennsylvania |
| 11 | Andrew Haene | 31 | Head | Laborer | Pennsylvania |
| 12 | Sarah Haene | 28 | Wife | — | Pennsylvania |
| 13 | Paul Nicholas | 31 | Head | Asst. Foreman | Pennsylvania |
| 14 | Rose Nicholas | 29 | Wife | — | Pennsylvania |
| 15 | Judith Ann Nicholas | 0 | Daughter | — | Pennsylvania |
| 16 | Wallace Foster | 37 | Head | Floor Foreman | Pennsylvania |
| 17 | Margaret Foster | 34 | Wife | Teacher | Pennsylvania |
| 18 | Alex M. Lowrie | 54 | Head | — | Scotland |
| 19 | Florence Lowrie | 52 | Wife | — | Indiana |
| 20 | George Stoner | 32 | Head | Laborer | Pennsylvania |
| 21 | Thelma Stoner | 32 | Wife | — | Pennsylvania |
| 22 | Dorothy Stoner | 13 | Daughter | — | Pennsylvania |
| 23 | George Jr. Stoner | 6 | Son | — | Pennsylvania |
| 24 | William Mason | 30 | Head | Laborer | Pennsylvania |
| 25 | Irene M Mason | 30 | Wife | — | Pennsylvania |
| 26 | Mary Moot | 42 | Head | School Teacher | Pennsylvania |
| 27 | Sally Moot | 39 | Sister | Librarian | Pennsylvania |
| 28 | Beulah Moyer | 62 | Head | — | Pennsylvania |
| 29 | Charles Whelly | 24 | Head | Estimator | Michigan |
| 30 | Frances Whelly | 22 | Wife | — | Pennsylvania |
| 31 | Patricia Whelly | 0 | Daughter | — | Michigan |
| 32 | Elizabeth R Stoll | 55 | Head | Clerk | Ohio |
| 33 | Charles Rorig | 24 | Lodger | Chemical Engineer | Illinois |
| 34 | Ora B Walker | 63 | Head | — | Pennsylvania |
| 35 | Robert P Walker | 32 | Son | Clerk | Pennsylvania |
| 36 | Mary E Walker | 29 | Daughter | Stenographer | Pennsylvania |
| 37 | John F Moyer | 55 | Head | Laborer | Pennsylvania |
| 38 | Elizabeth Moyer | 48 | Wife | — | Pennsylvania |
| 39 | William Barefoot | 29 | Son in law | Inspector | Pennsylvania |
Pedigree Summary
Frank
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)