RT
Ralph Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Ralph Thomas across the 1910, 1920, 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Ella — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | HEMPFIELD Mt Pleasant Twp |
| 1935 Residence (County) | WESTMORELAND |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gasoline Service station |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Attendant |
| Township / Ward | Hempfield Mt Pleasant Twp |
| Est. Birth Year | ~1910 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Donald Thomas | Son | — | 7 | ~1933 |
| Hazel Thomas | Spouse | — | 32 | ~1908 |
| Ralph Thomas | Head | — | 30 | ~1910 |
Census Appearances
1910
Westmoreland, Pennsylvania
Son, age 1
Westmoreland, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Westmoreland, Pennsylvania
Son, age 10
Westmoreland, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph A. |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Westmoreland, Pennsylvania
Son, age 20
Westmoreland, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mechanic |
| Industry | in Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Westmoreland-County, Pennsylvania
Head, age 30
Westmoreland-County, Pennsylvania · implied b. ~1910 — 3 household members
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | HEMPFIELD Mt Pleasant Twp |
| 1935 Residence (County) | WESTMORELAND |
| Occupation | Attendant |
| Industry | Gasoline Service station |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1200 |
| 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 Ralph Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Thomas (~0.92 confidence) and mother Ella Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Thomas
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ella Thomas
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Thomas
Head · 1940 · age 30 · b. ~1910 · 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 — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-03634-00305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver Welsk | 1 | Son | — | Pennsylvania |
| 2 | Shirley Estelle Welsk | 1 | Daughter | — | Pennsylvania |
| 3 | Ernest Gerhart | 33 | Head | Teacher | Pennsylvania |
| 4 | Mary Gerhart | 34 | Wife | — | Pennsylvania |
| 5 | Robert Gerhart | 6 | Son | — | Pennsylvania |
| 6 | Lois Jean Gerhart | 4 | Daughter | — | Pennsylvania |
| 7 | Lewis Adams | 26 | Head | Minister | Maryland |
| 8 | Ruth Adams | 28 | Wife | — | New Jersey |
| 9 | Robert Lewis Jr. Adams | 2 | Son | — | Pennsylvania |
| 10 | Thomas Webb | 31 | Head | Timekeeper | Pennsylvania |
| 11 | Faye Webb | 29 | Wife | — | Pennsylvania |
| 12 | Thomas Jr. Webb | 10 | Son | — | Pennsylvania |
| 13 | Sylvia Webb | 2 | Daughter | — | Pennsylvania |
| 14 | Raymond M. Sylvester | 45 | Head | Brake Man | Italy |
| 15 | Leona Sylvester | 34 | Wife | — | Poland |
| 16 | Paul Sylvester | 13 | Son | — | Pennsylvania |
| 17 | Dolores Sylvester | 8 | Daughter | — | Pennsylvania |
| 18 | Raymond Jr. Sylvester | 3 | Son | — | Pennsylvania |
| 19 | Ida Mae Gault | 69 | Head | — | Ohio |
| 20 | Kenneth Gault | 32 | Son | Painter | Pennsylvania |
| 21 | Grover Achtziger | 27 | Head | Miner | Pennsylvania |
| 22 | Bertha Achtziger | 19 | Wife | — | Pennsylvania |
| 23 | Roberta Achtziger | 2 | Daughter | — | Pennsylvania |
| 24 | Harry Shaffer | 36 | Head | Proprietor | Pennsylvania |
| 25 | Ruth Shaffer | 34 | Wife | — | Pennsylvania |
| 26 | Madge Shaffer | 14 | Daughter | — | Pennsylvania |
| 27 | Raymond Shaffer | 7 | Son | — | Pennsylvania |
| 28 | E. F. Thomas | 67 | Head | — | Pennsylvania |
| 29 | Ella Thomas | 65 | Wife | — | Pennsylvania |
| 30 | Ralph Thomas THIS PERSON | 30 | Head | Attendant | Pennsylvania |
| 31 | Hazel Thomas | 32 | Wife | — | Pennsylvania |
| 32 | Donald Thomas | 7 | Son | — | Pennsylvania |
| 33 | Edythe Thomas | 41 | Head | — | Pennsylvania |
| 34 | Paul Thomas | 14 | Son | — | Pennsylvania |
Related Census Records
Pedigree Summary
Ralph
Gen 1 · 2 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)