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Albert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Albert Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ada & James — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: PENNSYLVANIA
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | THOMAS |
| Given Name | ALBERT R |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Additional Details | |
| Occupation | CIVIL ENGINEER |
| Industry | SURVEYING |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 700 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Civil Engineer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1915 |
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 Albert | Age | Birth yr |
|---|---|---|---|---|
| Edith Thomas | Daughter | — | 20 | ~1920 |
| James Thomas | Head | — | 61 | ~1879 |
| Albert Thomas | Son | — | 25 | ~1915 |
| Ida Thomas | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Albert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 15
Allegheny, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Albert O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 4 household members
| Surname | THOMAS |
| Given Name | ALBERT R |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | PITTSBURGH |
| 1935 Residence (County) | ALLEGHENY |
| Occupation | CIVIL ENGINEER |
| Industry | SURVEYING |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 700 |
| Highest Grade | C 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 Albert Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ada Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and mother Ada Thomas (~0.92 confidence) and mother Ida Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ada Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
James Thomas
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Ada Thomas
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Ida Thomas
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
James Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Albert Thomas
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Edith Thomas
Sibling · 1940 · age 20
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-t0627-03667-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W Schwer | 37 | SON | Clerk | PENNSYLVANIA |
| 2 | Albert H Schwer | 37 | SON | Truck Driver | PENNSYLVANIA |
| 3 | Helen R Moran | 59 | HEAD | None | PENNSYLVANIA |
| 4 | Ambrose R Moran | 25 | SON | Attendant | PENNSYLVANIA |
| 5 | William R Moran | 24 | SON | Clerk | PENNSYLVANIA |
| 6 | Mildred E Moran | 23 | DAUGHTER | Clerk | PENNSYLVANIA |
| 7 | Anna Mae Moran | 21 | DAUGHTER | Clerk | PENNSYLVANIA |
| 8 | Fred E Moran | 18 | SON | New Worker | PENNSYLVANIA |
| 9 | Richard S Moran | 33 | HEAD | Electrician | PENNSYLVANIA |
| 10 | Mary R Moran | 22 | WIFE | None | PENNSYLVANIA |
| 11 | Mary A Moran | 1 | DAUGHTER | — | PENNSYLVANIA |
| 12 | Enos C Kirkpatrick | 46 | HEAD | Salesman | PENNSYLVANIA |
| 13 | Edward L Kirkpatrick | 50 | BROTHER | None | PENNSYLVANIA |
| 14 | Blanche E Kirkpatrick | 38 | SISTER | None | PENNSYLVANIA |
| 15 | J Flynn | 37 | BROTHER | Salesman | PENNSYLVANIA |
| 16 | Helen R Flynn | 30 | SISTER | Clerk | PENNSYLVANIA |
| 17 | Edward H Osterman | 53 | HEAD | None | PENNSYLVANIA |
| 18 | Anna C Osterman | 50 | WIFE | None | PENNSYLVANIA |
| 19 | Edward V Osterman | 26 | SON | Accountant | PENNSYLVANIA |
| 20 | Anna A Osterman | 24 | DAUGHTER | Beauty Operator | PENNSYLVANIA |
| 21 | Virginia T Osterman | 21 | DAUGHTER | Clerk | PENNSYLVANIA |
| 22 | Herbert J Osterman | 19 | SON | Clerk | PENNSYLVANIA |
| 23 | Conrad W Weber | 29 | HEAD | None | GERMANY |
| 24 | Minnie Weber | 80 | WIFE | None | GERMANY |
| 25 | Herbert Schmid | 34 | HEAD | Clerk Office | PENNSYLVANIA |
| 26 | Margaret D Schmid | 23 | WIFE | Waitress | PENNSYLVANIA |
| 27 | Anthony Scorza | 62 | HEAD | Barber | ITALY |
| 28 | Concetta Scorza | 59 | WIFE | None | PENNSYLVANIA |
| 29 | Anthony M Scorza | 34 | SON | Manual Training Teacher | PENNSYLVANIA |
| 30 | John F Scorza | 30 | SON | Advertising Dept | PENNSYLVANIA |
| 31 | James R Thomas | 61 | HEAD | Pump Mechanic | PENNSYLVANIA |
| 32 | Ida M Thomas | 60 | WIFE | None | PENNSYLVANIA |
| 33 | Albert R Thomas THIS PERSON | 25 | SON | Civil Engineer | PENNSYLVANIA |
| 34 | Edith L Thomas | 20 | DAUGHTER | Stenographer | PENNSYLVANIA |
| 35 | John H Davis | 24 | HEAD | Operator | PENNSYLVANIA |
| 36 | Estelle M Davis | 23 | WIFE | None | PENNSYLVANIA |
| 37 | Silas M Nicks | 87 | FATHER-IN-LAW | None | PENNSYLVANIA |
| 38 | Frank P Pagan | 53 | HEAD | Conductor | PENNSYLVANIA |
| 39 | Cora M Pagan | 52 | WIFE | None | PENNSYLVANIA |
| 40 | Robert D Pagan | 16 | SON | None | WEST VIRGINIA |
Related Census Records
Pedigree Summary
Albert + 1 sibling
Gen 1 · 5 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)