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Thomas Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Baker across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Elmer & Ephraim — first a son (b.~1914), then head of a 7-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Baker |
| Given Name | Thomas R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Policeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Policeman |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Baker | Daughter | — | 15 | ~1925 |
| Mabel Baker | Daughter | — | 25 | ~1915 |
| Elmer Baker | Head | — | 55 | ~1885 |
| Thomas Baker | Son | — | 26 | ~1914 |
| Elmer Baker | Son | — | 23 | ~1917 |
| Sadie Baker | Spouse | — | 52 | ~1888 |
| Jean Baker | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Thomas N. |
| Relationship to Head | Boarder |
| 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 16
Allegheny, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Thomas A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 7 household members
| Surname | Baker |
| Given Name | Thomas R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Policeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1520 |
| Highest Grade | No 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 Thomas Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Baker (~0.92 confidence) and father Ephraim Baker (~0.92 confidence) and mother Sadie Baker (~0.92 confidence) and mother Jean Baker (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Father
Elmer Baker
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Ephraim Baker
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Sadie Baker
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Jean Baker
b. ~1915
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Thomas Baker
Son · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Elmer Baker
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Baker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Baker
Sibling · 1940 · age 25
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-t0627-03668-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mayme Matz | 45 | Wife | — | Pennsylvania |
| 2 | Umbert Guidotti | 32 | Head | Cook | Pennsylvania |
| 3 | Mary Guidotti | 26 | Wife | — | Pennsylvania |
| 4 | James Guidotti | 4 | Son | — | Pennsylvania |
| 5 | Ettore Guidotti | 54 | Head | Cook | Italy |
| 6 | Giselda Guidotti | 54 | Wife | — | Italy |
| 7 | Amora Guidotti | 22 | Daughter | — | Pennsylvania |
| 8 | Daisy Hall | 67 | Head | Saleslady | Pennsylvania |
| 9 | Russell Hall | 65 | Lodger | — | Pennsylvania |
| 10 | Karl H. Hall | 54 | Lodger | Bookkeeper | Pennsylvania |
| 11 | Frank W. Marmo | 53 | Head | Salesman | Pennsylvania |
| 12 | Mary Marmo | 46 | Wife | — | Pennsylvania |
| 13 | Peter Lagi | 24 | Lodger | Musician | Pennsylvania |
| 14 | John H. Douglas | 64 | Head | Salesman | Pennsylvania |
| 15 | Lillie S. Douglas | 60 | Wife | — | Pennsylvania |
| 16 | John A. Boland | 76 | Lodger | — | Pennsylvania |
| 17 | Anna J. Mearns | 57 | Head | — | Pennsylvania |
| 18 | Norman Schwartz | 36 | Head | Craneman | Pennsylvania |
| 19 | Mary Schwartz | 32 | Wife | — | Pennsylvania |
| 20 | James J. O'Donnell | 55 | Head | Laborer | Pennsylvania |
| 21 | Catherine O'Donnell | 42 | Wife | — | Pennsylvania |
| 22 | James J. Jr. O'Donnell | 19 | Son | — | Pennsylvania |
| 23 | Bridget Grogan | 73 | Lodger | — | Ireland |
| 24 | William R. Albright | 49 | Head | Engineer | Pennsylvania |
| 25 | Helen M. Albright | 29 | Wife | — | Pennsylvania |
| 26 | Mildred Albright | 8 | Daughter | — | Pennsylvania |
| 27 | William R. Jr. Albright | 6 | Son | — | Pennsylvania |
| 28 | Laura Mcdermott | 52 | Head | Janitress | Missouri |
| 29 | Harry Mcdermott | 27 | Son | Recorder | Illinois |
| 30 | Bernice Mcdermott | 23 | Daughter | Beautician | Illinois |
| 31 | James Mcdermott | 20 | Son | Welder | Illinois |
| 32 | Charles F. Rev. Tame | 37 | Head | Minister | Ohio |
| 33 | Bernice Tame | 35 | Wife | — | Ohio |
| 34 | Elmer G. Baker | 55 | Head | Traffic Director | Pennsylvania |
| 35 | Sadie M. Baker | 52 | Wife | — | Pennsylvania |
| 36 | Mabel A. Baker | 25 | Daughter | Stenographer | Pennsylvania |
| 37 | Elmer G. Jr. Baker | 23 | Son | Elevator Operator | Pennsylvania |
| 38 | Dorothy M. Baker | 15 | Daughter | — | Pennsylvania |
| 39 | Thomas R. Baker THIS PERSON | 26 | Son | Policeman | Pennsylvania |
| 40 | Jean D. Baker | 25 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 4 parents
~0.81
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)