TB
Thomas Boyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Boyd across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Betty — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Boyd |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Pattern Maker |
| Industry | Air Brake |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3443 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Pattern Maker |
| Township / Ward | Wilkinsburg |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| George Boyd | Son | — | 15 | ~1925 |
| Robert Boyd | Son | — | 17 | ~1923 |
| Thomas Boyd | Head | — | 40 | ~1900 |
| Evelyn Boyd | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 30
Allegheny, Pennsylvania · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | United States |
| Occupation | Helper |
| Industry | Pattern shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 40
Allegheny-County, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Boyd |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Occupation | Pattern Maker |
| Industry | Air Brake |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3443 |
| Highest Grade | Hs 4 |
| 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 Boyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Betty Boyd (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Betty Boyd
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Boyd
Head · 1940 · age 40 · b. ~1900 · 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-t0627-03421-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Resto | 48 | Head | Barber | Italy |
| 42 | Mary F Resto | 42 | Wife | — | Pennsylvania |
| 43 | Anne Resto | 17 | Daughter | — | Pennsylvania |
| 44 | Betty L Resto | 15 | Daughter | — | Pennsylvania |
| 45 | Frida R Resto | 14 | Daughter | — | Pennsylvania |
| 46 | Eugene Resto | 11 | Son | — | Pennsylvania |
| 47 | Richard Dowling | 44 | Head | Clerk | Pennsylvania |
| 48 | Ellen Dowling | 45 | Wife | — | Pennsylvania |
| 49 | Anna Ford | 40 | Head | Clerk | Pennsylvania |
| 50 | Thomas A Boyd THIS PERSON | 40 | Head | Pattern Maker | Pennsylvania |
| 51 | Evelyn Boyd | 34 | Wife | — | Pennsylvania |
| 52 | Robert Boyd | 17 | Son | — | Pennsylvania |
| 53 | George Boyd | 15 | Son | — | Pennsylvania |
| 54 | Evan Boltz | 52 | Head | Brake Fitter | Pennsylvania |
| 55 | Elizabeth Boltz | 52 | Wife | — | Pennsylvania |
| 56 | Arthur Boltz | 19 | Son | Clerk | Pennsylvania |
| 57 | Elmer Jones | 28 | Son-in-law | Clerk | Pennsylvania |
| 58 | Margaret Jones | 26 | Daughter | — | Pennsylvania |
| 59 | Jordan Jones | 5 | Grandson | — | Pennsylvania |
| 60 | Warren Jones | 2 | Grandson | — | Pennsylvania |
| 61 | John Wolf | 33 | Head | Salesman | Pennsylvania |
| 62 | Dorothy Wolf | 32 | Wife | — | Pennsylvania |
| 63 | John Jr. Wolf | 3 | Son | — | Pennsylvania |
| 64 | Francis Scherry | 26 | Head | Salesman | Pennsylvania |
| 65 | Helen Scherry | 26 | Wife | — | Pennsylvania |
| 66 | James Scherry | 2 | Son | — | Pennsylvania |
| 67 | Leonard Altenbaugh | 44 | Head | Machine Operator | Pennsylvania |
| 68 | Margaret Altenbaugh | 47 | Wife | — | Maryland |
| 69 | John Leonard Altenbaugh | 21 | Son | Laborer | Pennsylvania |
| 70 | Edna Mae Altenbaugh | 18 | Daughter | — | Pennsylvania |
| 71 | Harry P Collins | 25 | Head | Assembly Man | Pennsylvania |
| 72 | Claire Collins | 25 | Wife | Bookkeeper | Pennsylvania |
| 73 | Gilbert Taylor | 37 | Head | Secretary-Treasurer | West Virginia |
| 74 | Lelia Taylor | 35 | Wife | — | West Virginia |
| 75 | Audra Taylor | 16 | Daughter | — | West Virginia |
| 76 | Jeanette Taylor | 8 | Daughter | — | Pennsylvania |
| 77 | Jemima Hamilton | 72 | Head | — | Scotland |
| 78 | Jeannette Hamilton | 38 | Daughter | — | Maryland |
| 79 | Helmut Langcheck | 34 | Lodger | Master Mechanic | Germany |
| 80 | J. Howard Jr. Black | 28 | Head | Advertising | Washington DC |
Pedigree Summary
Thomas
Gen 1 · 1 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)