ST
Sam Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Somerset-County, Pennsylvania
Our Model Tree links this Sam Thomas across the 1920, 1930 and 1940 US Censuses in Somerset-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lawrence & Lawrence — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh Twp |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Saw Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Conemaugh Twp |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sam | Age | Birth yr |
|---|---|---|---|---|
| Sam Thomas | Son | — | 27 | ~1913 |
| Ogden Thomas | Son | — | 31 | ~1909 |
| Lawrence Thomas | Head | — | 60 | ~1880 |
| Fannie Thomas | Daughter | — | 25 | ~1915 |
| Lizzie Thomas | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Somerset, Pennsylvania
Son, age 6
Somerset, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Samuel |
| 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
Somerset, Pennsylvania
Son, age 17
Somerset, Pennsylvania · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Sam D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Somerset-County, Pennsylvania
Son, age 27
Somerset-County, Pennsylvania · implied b. ~1913 — 5 household members
| Surname | Thomas |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh Twp |
| 1935 Residence (County) | Somerset |
| Occupation | Truck Driver |
| Industry | Saw Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 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 Sam Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lawrence Thomas (~0.92 confidence) and father Lawrence Thomas (~0.92 confidence) and mother Lizzie Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lawrence Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Lawrence Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lizzie Thomas
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sam Thomas
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Ogden Thomas
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fannie Thomas
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 — 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-t0627-03609-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Bosnyak | 52 | Head | Miner | Austria |
| 2 | Melvin Bosnyak | 15 | Adopted Son | — | Pennsylvania |
| 3 | Nick Vuchnich | 58 | Head | Miner | Czechoslovakia |
| 4 | Mildred Vuchnich | 49 | Wife | — | Czechoslovakia |
| 5 | Mullen Vuchnich | 45 | Brother | Miner | Czechoslovakia |
| 6 | Homer Moore | 37 | Head | Laborer | Pennsylvania |
| 7 | Helen Moore | 32 | Wife | — | Pennsylvania |
| 8 | Josephine Moore | 9 | Daughter | — | Pennsylvania |
| 9 | Robert Moore | 8 | Son | — | Pennsylvania |
| 10 | Mary Knuff | 67 | Head | — | Pennsylvania |
| 11 | Francis Knuff | 32 | Son | — | Pennsylvania |
| 12 | Patrick Ward | 65 | Brother | — | Pennsylvania |
| 13 | Park N. Makins | 27 | Head | Planner | Pennsylvania |
| 14 | Marion Janice Makins | 26 | Wife | — | Pennsylvania |
| 15 | Edythe Makins | 60 | Mother | — | Pennsylvania |
| 16 | Clayton Keafer | 36 | Head | Farmer | Pennsylvania |
| 17 | Irene Keafer | 34 | Wife | — | Pennsylvania |
| 18 | Anna May Keafer | 11 | Daughter | — | Pennsylvania |
| 19 | Cora Faye Keafer | 10 | Daughter | — | Pennsylvania |
| 20 | Henry Robert Keafer | 9 | Son | — | Pennsylvania |
| 21 | Paul Ray Keafer | 5 | Son | — | Pennsylvania |
| 22 | Mabel R. Keafer | 2 | Daughter | — | Pennsylvania |
| 23 | Allan Berkey | 45 | Head | Farm Hand | Pennsylvania |
| 24 | Lawrence Thomas | 60 | Head | Farmer | Pennsylvania |
| 25 | Lizzie Thomas | 56 | Wife | — | Pennsylvania |
| 26 | Ogden Thomas | 31 | Son | Farm Hand | Pennsylvania |
| 27 | Sam Thomas THIS PERSON | 27 | Son | Truck Driver | Pennsylvania |
| 28 | Fannie E. Thomas | 25 | Daughter | — | Pennsylvania |
| 29 | Sem Thomas | 28 | Head | Truck Driver | Pennsylvania |
| 30 | Erie Thomas | 27 | Wife | — | Pennsylvania |
| 31 | James Saylor | 71 | Head | Farmer | Pennsylvania |
| 32 | Annie Saylor | 65 | Wife | — | Pennsylvania |
| 33 | William H. Saylor | 42 | Son | Janitor | Pennsylvania |
| 34 | Stella M. Saylor | 43 | Daughter | — | Pennsylvania |
| 35 | Elvin Lehman | 31 | Head | Operator Bulldozer | Pennsylvania |
| 36 | Edna Lehman | 25 | Wife | — | Pennsylvania |
| 37 | Paul Lehman | 4 | Son | — | Pennsylvania |
| 38 | Robert Lehman | 2 | Son | — | Pennsylvania |
| 39 | Newton Thomas | 41 | Head | Supervisor | Pennsylvania |
| 40 | Mary Thomas | 40 | Wife | — | Pennsylvania |
Pedigree Summary
Sam + 2 siblings
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)