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Thomas Evans — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Evans across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harriet & Marie — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Evans |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Special Policeman |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1637 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Special Policeman |
| Township / Ward | Pittsburgh City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Alice Evans | Daughter | — | 26 | ~1914 |
| Harriet Evans | Head | — | 65 | ~1875 |
| Thomas Evans | Son | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Thomas |
| 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 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Evans |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Special Policeman |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1637 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Evans across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Harriet Evans (~0.92 confidence) and mother Marie Evans (~0.92 confidence) and mother Maybelle Evans (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Harriet Evans
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Marie Evans
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Maybelle Evans
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Evans
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Alice Evans
Sibling · 1940 · age 26
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-t0627-03669-00485)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola Mae Wessa | 48 | Wife | Office Clerk | Pennsylvania |
| 2 | Edward O. Wessa | 23 | Son | Office Clerk | Pennsylvania |
| 3 | Harriet A. Evans | 65 | Head | — | Pennsylvania |
| 4 | Thomas H. Evans THIS PERSON | 25 | Son | Special Policeman | Pennsylvania |
| 5 | Alice M. Evans | 26 | Daughter | — | Pennsylvania |
| 6 | John E. Lemmert | 44 | Head | Office Clerk | Pennsylvania |
| 7 | Emily W. Lemmert | 36 | Wife | — | Pennsylvania |
| 8 | Grant W. Lemmert | 3 | Son | — | Florida |
| 9 | Florence Dickson | 66 | Head | — | Pennsylvania |
| 10 | James Dickson | 30 | Son | Office Clerk | Pennsylvania |
| 11 | Charles Boyd | 40 | Head | Office Clerk | Pennsylvania |
| 12 | Lois Boyd | 38 | Wife | — | Pennsylvania |
| 13 | William Boyd | 10 | Son | — | Pennsylvania |
| 14 | Edward S. Dines | 61 | Father-in-law | — | Pennsylvania |
| 15 | Mary A. Dines | 61 | Mother-in-law | — | Pennsylvania |
| 16 | Arthur Hollis | 75 | Head | — | England |
| 17 | Margaret Hollis | 66 | Wife | — | Pennsylvania |
| 18 | Maynard L. Mcmurray | 35 | Head | Insurance Advisor | Pennsylvania |
| 19 | Jean E. Mcmurray | 33 | Daughter | — | Pennsylvania |
| 20 | David A. Mcmurray | 1 | Grandson | — | Pennsylvania |
| 21 | W. E. George | 71 | Head | — | Scotland |
| 22 | Rebecca George | 75 | Wife | — | Pennsylvania |
| 23 | Irvin Daily | 52 | Head | Office Clerk | Pennsylvania |
| 24 | Augusta Daily | 52 | Wife | — | Pennsylvania |
| 25 | Frank Daily | 13 | Son | — | Pennsylvania |
| 26 | J. H. Kelly | 46 | Head | — | Pennsylvania |
| 27 | Elizabeth Kelly | 43 | Wife | — | Pennsylvania |
| 28 | Thomas Jr. Gallagher | 27 | Nephew | Office Clerk | Pennsylvania |
| 29 | Mary E. Gallagher | 20 | Niece | Stenographer | Pennsylvania |
| 30 | Charles L. Dye | 51 | Head | Stenographer Of Traffic | West Virginia |
| 31 | Elizabeth M. Dye | 45 | Wife | — | Pennsylvania |
| 32 | Grace E. Dye | 22 | Daughter | Stenographer | Pennsylvania |
| 33 | Jeanne Dye | 20 | Daughter | Stenographer | Pennsylvania |
| 34 | Lois I. Dye | 17 | Daughter | — | Pennsylvania |
| 35 | Charles L. Dye | 15 | Son | — | Pennsylvania |
| 36 | Clarence J. Sauer | 47 | Head | Salesman | Pennsylvania |
| 37 | Alma E. Sauer | 46 | Wife | — | Pennsylvania |
| 38 | Clarence J. Sauer | 16 | Son | — | Pennsylvania |
| 39 | Donald Sauer | 11 | Son | — | Pennsylvania |
| 40 | Louis Schmidt | 58 | Head | Laborer | Germany |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 3 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)