HT
Harold Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Somerset-County, Pennsylvania
Our Model Tree links this Harold Thomas across the 1920, 1930 and 1940 US Censuses in Somerset-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh Twp. |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Teacher |
| Industry | Grad School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1400 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Conemaugh Twp |
| Est. Birth Year | ~1911 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Janet Thomas | Daughter | — | 6 | ~1934 |
| Harold Thomas | Head | — | 29 | ~1911 |
| Joyce Thomas | Daughter | — | 3 | ~1937 |
| Anna Thomas | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Somerset, Pennsylvania
Son, age 8
Somerset, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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
Somerset, Pennsylvania
Son, age 18
Somerset, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| 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
Somerset-County, Pennsylvania
Head, age 29
Somerset-County, Pennsylvania · implied b. ~1911 — 4 household members
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh Twp. |
| 1935 Residence (County) | Somerset |
| Occupation | Teacher |
| Industry | Grad School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1400 |
| Highest Grade | C-3 |
| 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 Edward Thomas (~0.92 confidence) and father Edward Thomas (~0.92 confidence) and mother Pollie Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Edward Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Pollie Thomas
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Thomas
Head · 1940 · age 29 · b. ~1911 · 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 — Somerset-County, Pennsylvania
Open full size
1940 US Federal Census — Somerset-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03609-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Blough | 8 | Son | — | Pennsylvania |
| 42 | Betty Blough | 5 | Daughter | — | Pennsylvania |
| 43 | Rheba Blough | 2 | Daughter | — | Pennsylvania |
| 44 | Clayton S. Blough | 32 | Head | Miner | Pennsylvania |
| 45 | Annie Blough | 26 | Wife | — | Pennsylvania |
| 46 | Paul Blough | 10 | Son | — | Pennsylvania |
| 47 | Carol Blough | 5 | Son | — | Pennsylvania |
| 48 | Ralph Blough | 3 | Son | — | Pennsylvania |
| 49 | William S. Blough | 61 | Head | Farmer | Pennsylvania |
| 50 | Lydia Blough | 66 | Wife | — | Pennsylvania |
| 51 | John J. Livingston | 73 | Head | Laborer | Pennsylvania |
| 52 | John T. Lehman | 31 | Head | Miner | Pennsylvania |
| 53 | Linnie Q. Lehman | 33 | Wife | — | Pennsylvania |
| 54 | Boyd Lehman | 12 | Son | — | Pennsylvania |
| 55 | Wayne Lehman | 10 | Son | — | Pennsylvania |
| 56 | Glenn Lehman | 5 | Son | — | Pennsylvania |
| 57 | Suzzanna Lehman | 68 | Head | — | Pennsylvania |
| 58 | Ella Lehman | 44 | Daughter | — | Pennsylvania |
| 59 | Walter H. Moore | 18 | Board-son | — | Pennsylvania |
| 60 | Letha Blough | 7 | Grand-daughter | — | Pennsylvania |
| 61 | Catherine Yoder | 79 | Lodger | — | Pennsylvania |
| 62 | Harold Thomas THIS PERSON | 29 | Head | Teacher | Pennsylvania |
| 63 | Anna S. Thomas | 27 | Wife | — | Pennsylvania |
| 64 | Janet Thomas | 6 | Daughter | — | Pennsylvania |
| 65 | Joyce Thomas | 3 | Daughter | — | Pennsylvania |
| 66 | Leroy Miller | 34 | Head | Farmer | Pennsylvania |
| 67 | Lizzie Miller | 44 | Wife | — | Pennsylvania |
| 68 | Jesse Miller | 8 | Son | — | Pennsylvania |
| 69 | Melda Miller | 5 | Daughter | — | Pennsylvania |
| 70 | Edward S. May | 66 | Head | Farmer | Pennsylvania |
| 71 | Myrtle May | 61 | Wife | — | Pennsylvania |
| 72 | Francis May | 26 | Son | Farmer | Pennsylvania |
| 73 | Robert Koracic | 51 | Head | Miner | Yugoslavia |
| 74 | Mary Koracic | 53 | Wife | — | Yugoslavia |
| 75 | Andy Lampel | 25 | Step-son | Miner | Pennsylvania |
| 76 | Frances Lampel | 24 | Step-daughter | — | Pennsylvania |
| 77 | John Lampel | 20 | Step-son | Miner | Pennsylvania |
| 78 | Joe Lampel | 19 | Step-son | Miner | Pennsylvania |
| 79 | Fred Lampel | 15 | Step-son | — | Pennsylvania |
| 80 | Charles Prime | 51 | Lodger | Miner | Yugoslavia |
Pedigree Summary
Harold
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)