HT
Harold Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this Harold Thomas across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Elmer & Mary — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Georges Township |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Farmer |
| Industry | Poultry farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Georges Township |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Son | — | 16 | ~1924 |
| Kerdie Thomas | Other | — | 63 | ~1877 |
| Mildred Thomas | Spouse | — | 22 | ~1918 |
| Nellie Thomas | Spouse | — | 47 | ~1893 |
| Harold Thomas | Son | — | 23 | ~1917 |
| Charles Thomas | Head | — | 41 | ~1899 |
Census Appearances
1920
Fayette, Pennsylvania
Son, age
Fayette, Pennsylvania · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Fayette, Pennsylvania
Son, age 11
Fayette, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Fayette-County, Pennsylvania
Son, age 23
Fayette-County, Pennsylvania · implied b. ~1917 — 6 household members
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Georges Township |
| 1935 Residence (County) | Fayette |
| Occupation | Farmer |
| Industry | Poultry farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | Hs 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 Harold Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Thomas (~0.44 confidence) and mother Mary Thomas (~0.44 confidence) and mother Nellie Thomas (~0.92 confidence) and mother Mary Thomas (~0.44 confidence) and father Thomas Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence) and mother Mildred Thomas (~0.50 confidence). The pedigree spans 2 generations with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.69
Father
Elmer Thomas
b. ~1883
Source mother>father
● Household
· direct · ~0.44
Mother
Mary Thomas
b. ~1888
Source mother>mother
● Household
· direct · ~0.44
Mother
Nellie Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1897
Source mother>mother
● Household
· direct · ~0.44
Father
Thomas Thomas
b. ~1898
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Mildred Thomas
b. ~1918
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Harold Thomas
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
William Thomas
Sibling · 1940 · age 16
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 — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03504-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James A Lowe | 19 | Step son | Gas Station Helper | Pennsylvania |
| 42 | Robert M Woodward | 40 | Head | Truck Driver | Ohio |
| 43 | Helen M Woodward | 39 | Wife | Poultry | Ohio |
| 44 | Susan Woodward | 54 | Sister | — | Ohio |
| 45 | Joseph Skolka | 65 | Head | Farmer | Austria |
| 46 | Mary Skolka | 69 | Wife | — | Austria |
| 47 | Ruben Tough | 72 | Head | — | West Virginia |
| 48 | Nora M Tough | 68 | Wife | — | Pennsylvania |
| 49 | Joseph Gans | 26 | Head | Operator Coal Cutter | Pennsylvania |
| 50 | Florence M Gans | 24 | Wife | — | Pennsylvania |
| 51 | Lois J Gans | 3 | Son | — | Pennsylvania |
| 52 | Gordon E Gans | 36 | Head | Semi-Skilled Clerk | Pennsylvania |
| 53 | Avis A Gans | 32 | Wife | — | West Virginia |
| 54 | Kathryn L Gans | 15 | Daughter | — | Pennsylvania |
| 55 | Edith M Gans | 10 | Daughter | — | Pennsylvania |
| 56 | Joan L Gans | 5 | Daughter | — | Pennsylvania |
| 57 | William Buckingham | 32 | Head | Tractor Operator | Pennsylvania |
| 58 | Eva P Buckingham | 31 | Wife | — | Pennsylvania |
| 59 | Lois J Buckingham | 10 | Daughter | — | Pennsylvania |
| 60 | James R Buckingham | 8 | Son | — | Pennsylvania |
| 61 | Daisy Buckingham | 52 | Mother | — | Pennsylvania |
| 62 | Sarah J Buckingham | 72 | Grand Mother | — | Pennsylvania |
| 63 | Russell G Kelley | 36 | Head | Truck Driver | Pennsylvania |
| 64 | Dorothy S Kelley | 36 | Wife | — | Pennsylvania |
| 65 | William R Kelley | 15 | Son | — | Pennsylvania |
| 66 | Donald E Kelley | 12 | Son | — | Pennsylvania |
| 67 | Delbert W Kelley | 9 | Son | — | Pennsylvania |
| 68 | George W Kelley | 3 | Son | — | Pennsylvania |
| 69 | Henry C Kelley | 1 | Son | — | Pennsylvania |
| 70 | Ernest R Gans | 62 | Father in Law | — | West Virginia |
| 71 | Charles W Thomas | 41 | Head | — | Pennsylvania |
| 72 | Nellie E Thomas | 47 | Wife | — | Pennsylvania |
| 73 | William Thomas | 16 | Son | — | Pennsylvania |
| 74 | Harold Thomas THIS PERSON | 23 | Son | Farmer | Pennsylvania |
| 75 | Mildred P Thomas | 22 | Wife | — | Pennsylvania |
| 76 | Kerdie Thomas | 63 | Sister in Law | — | Pennsylvania |
| 77 | John Najpiver | 72 | Head | — | Austria |
| 78 | Catherine Najpiver | 74 | Wife | — | Austria |
| 79 | Edward V Barrett | 60 | Head | Fire Boss | Pennsylvania |
| 80 | Lida D Barrett | 47 | Wife | — | Maryland |
Related Census Records
Pedigree Summary
Harold + 1 sibling
Gen 1 · 5 parents
~0.84
Gen 2 · 3 grandparents
~0.44
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)