WT
Walter Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Ohio
Our Model Tree links this Walter Thomas across the 1920, 1930 and 1940 US Censuses in Mercer-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Ohio |
| Surname | Thomas |
| Given Name | Walter F |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Mixer Pan Dept |
| Industry | Canning Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Mixer Pan Dept |
| Township / Ward | Union Township |
| Est. Birth Year | ~1908 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Mary Thomas | Daughter | — | 24 | ~1916 |
| Charles Thomas | Head | — | 60 | ~1880 |
| Walter Thomas | Son | — | 32 | ~1908 |
| Ethel Thomas | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Mercer, Ohio
Son, age 12
Mercer, Ohio · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Mercer, Ohio
Son, age 22
Mercer, Ohio · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Manager |
| Industry | Pool room |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mercer-County, Ohio
Son, age 32
Mercer-County, Ohio · implied b. ~1908 — 4 household members
| Surname | Thomas |
| Given Name | Walter F |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Mercer |
| Occupation | Mixer Pan Dept |
| Industry | Canning Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Walter Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence) and mother Ethel Thomas (~0.92 confidence) and mother Ethel Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ethel Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ethel Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Thomas
Son · 1940 · age 32 · b. ~1908 · Ohio
★ You are viewing this record
Sibling
Mary Thomas
Sibling · 1940 · age 24
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 — Mercer-County, Ohio
Open full size
1940 US Federal Census — Mercer-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03114-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert H Carpenter | 21 | Head | Farm Operator | Ohio |
| 42 | Edna M Carpenter | 17 | Wife | — | Ohio |
| 43 | Norman E Carpenter | 19 | Brother | Farm Operator | Ohio |
| 44 | Listed On Liberty | None | — | — | — |
| 45 | Township Where They Work | None | — | — | — |
| 46 | Ray Bligh | 40 | Head | Farm Laborer | Ohio |
| 47 | Mattie Bligh | 36 | Wife | Sewing Mach Oper | Ohio |
| 48 | Dale Bligh | 16 | son | Farm Laborer | Ohio |
| 49 | Ralph Bligh | 15 | son | Farm Laborer | Ohio |
| 50 | Paul Bligh | 10 | son | — | Ohio |
| 51 | Lona D Lampy | 66 | Head | — | Ohio |
| 52 | Clifford Lampy | 44 | son | Steam Engineer | Ohio |
| 53 | Victor Lampy | 23 | Grandson | Farm Operator | Ohio |
| 54 | Anthony Matycka | 53 | Head | Farm Operator | Czechoslovakia |
| 55 | Marie Matycka | 41 | Wife | — | Czechoslovakia |
| 56 | Mary Matycka | 17 | daughter | — | Ohio |
| 57 | Malinda A Bogart | 76 | Head | — | Ohio |
| 58 | Mike B Cantwil | 54 | Head | Farm Operator | Nebraska |
| 59 | Stella Cantwil | 50 | Wife | — | Ohio |
| 60 | Edward Cantwil | 62 | Brother | Farm Laborer | Ohio |
| 61 | Charles E Jeffries | 71 | Head | Farm Operator | Indiana |
| 62 | Georgiana Jeffries | 68 | Wife | — | Ohio |
| 63 | Walter H Murlin | 64 | Head | Farm Operator | Ohio |
| 64 | Emma Murlin | 59 | Wife | Feeder | Michigan |
| 65 | Lloyd Coil | 58 | Head | Farm Operator | Ohio |
| 66 | Hattie A Coil | 55 | Wife | — | Ohio |
| 67 | Charles D Thomas | 60 | Head | Farm Operator | Ohio |
| 68 | Ethel Thomas | 54 | Wife | — | Ohio |
| 69 | Walter F Thomas THIS PERSON | 32 | son | Mixer Pan Dept | Ohio |
| 70 | Mary H Thomas | 24 | daughter | Clerk | Ohio |
| 71 | Richard Shiles | 31 | Head | Laborer | Indiana |
| 72 | Alma G Shiles | 30 | Wife | — | Ohio |
| 73 | Richard Jr Shiles | 9 | son | — | Ohio |
| 74 | Elsie Shiles | 6 | daughter | — | Ohio |
| 75 | Charles Giselman | 35 | Head | Farm Operator | Ohio |
| 76 | Velma Giselman | 35 | Wife | — | Ohio |
| 77 | Catherine Giselman | 12 | daughter | — | Ohio |
| 78 | Louise Giselman | 11 | daughter | — | Ohio |
| 79 | Eugene Giselman | 9 | son | — | Ohio |
| 80 | Juanita Giselman | 7 | daughter | — | Ohio |
Pedigree Summary
Walter + 1 sibling
Gen 1 · 6 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)