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 Robert & Robert — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Boyd |
| Given Name | Thomas Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Messenger |
| Industry | Marine Ways |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Messenger |
| Township / Ward | Clairton |
| Est. Birth Year | ~1920 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Boyd | Head | — | 47 | ~1893 |
| Myrtle Boyd | Spouse | — | 42 | ~1898 |
| Thomas Boyd | Son | — | 20 | ~1920 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age
Allegheny, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Thomas E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 3 household members
| Surname | Boyd |
| Given Name | Thomas Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton |
| 1935 Residence (County) | Allegheny |
| Occupation | Messenger |
| Industry | Marine Ways |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H 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: father Robert Boyd (~0.92 confidence) and father Robert Boyd (~0.92 confidence) and father Thomas Boyd (~0.92 confidence) and mother Myrtle Boyd (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Boyd
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Robert Boyd
b. ~1899
Source father
● Household
· direct · ~0.92
Father
Thomas Boyd
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Myrtle Boyd
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Boyd
Son · 1940 · age 20 · b. ~1920 · 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-t0627-03400-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Clark | 18 | Son | Laborer | Pennsylvania |
| 42 | Dorothy Clark | 15 | Daughter | — | Pennsylvania |
| 43 | Cecil Mckinney | 37 | Head | Watchman | Pennsylvania |
| 44 | Mildred Mckinney | 32 | Wife | — | Pennsylvania |
| 45 | Jack Mckinney | 15 | Son | — | Pennsylvania |
| 46 | Sharon Jean Mckinney | 1 | Daughter | — | Alabama |
| 47 | Thomas Kamps | 41 | Head | Skilled Laborer | Missouri |
| 48 | Mary Kamps | 32 | Wife | — | Pennsylvania |
| 49 | Jean Kamps | 10 | Daughter | — | Pennsylvania |
| 50 | Joan Kamps | 10 | Daughter | — | Pennsylvania |
| 51 | Thomas Jr. Kamps | 12 | Son | — | Pennsylvania |
| 52 | William Wilkin | 28 | Head | Brake Hand | Pennsylvania |
| 53 | Hilda Wilkin | 26 | Wife | — | Pennsylvania |
| 54 | Robert Wilkin | 5 | Son | — | Pennsylvania |
| 55 | Regis Wilkin | 3 | Son | — | Pennsylvania |
| 56 | George Weber | 25 | Head | Engineer | Pennsylvania |
| 57 | Hattie Weber | 23 | Wife | — | Pennsylvania |
| 58 | Doris Weber | 4 | Sister-in-law | — | Pennsylvania |
| 59 | Walter Ross | 26 | Head | Mechanic Helper | Pennsylvania |
| 60 | Doris Ross | 26 | Wife | — | Pennsylvania |
| 61 | Walter Jr. Ross | 1 | Son | — | Pennsylvania |
| 62 | Wayne Shane | 39 | Head | Battery Foreman | Pennsylvania |
| 63 | Madeline Shane | 36 | Wife | — | Pennsylvania |
| 64 | Wayne Jr. Shane | 20 | Son | Chainman | Pennsylvania |
| 65 | Celia (Pat) Shane | 18 | Daughter | — | Pennsylvania |
| 66 | Joy Shane | 16 | Daughter | — | Pennsylvania |
| 67 | James Shane | 14 | Son | — | Pennsylvania |
| 68 | Madeline Shane | 12 | Daughter | — | Pennsylvania |
| 69 | Donna Shane | 11 | Daughter | — | Pennsylvania |
| 70 | Harry Updegraff | 59 | Father-in-law | Laborer | Pennsylvania |
| 71 | — | None | — | — | — |
| 72 | Thomas Boyd | 47 | Head | Skilled Laborer | Pennsylvania |
| 73 | Myrtle Boyd | 42 | Wife | — | Pennsylvania |
| 74 | Thomas Jr. Boyd THIS PERSON | 20 | Son | Messenger | Pennsylvania |
| 75 | John Van Natta | 44 | Head | Laborer | New York |
| 76 | Anna Van Natta | 38 | Wife | — | Scotland |
| 77 | Darwin Van Natta | 22 | Son | Laborer | Pennsylvania |
| 78 | Lillian Van Natta | 17 | Daughter | — | Pennsylvania |
| 79 | Elmer Camden | 55 | Head | Laborer | Pennsylvania |
| 80 | Mary Camden | 52 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas
Gen 1 · 4 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)