TP
Thomas Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermillion-County, Indiana
Our Model Tree links this Thomas Peterson across the 1920, 1930 and 1940 US Censuses in Vermillion-County, Indiana (XGBoost, ~Confirmed), with identified parents James & Malina — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermillion-County, Indiana |
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Fairview Park Town |
| 1935 Residence (County) | Vermillion |
| Additional Details | |
| Occupation | Common Labor |
| Industry | Park Construction |
| Class of Worker | GW |
| Hours Worked | 16 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Common Labor |
| Township / Ward | Fairview Park Town |
| Est. Birth Year | ~1914 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Madge Peterson | Daughter | — | 19 | ~1921 |
| Raymond Peterson | Son | — | 36 | ~1904 |
| Malina Peterson | Spouse | — | 59 | ~1881 |
| Thomas Peterson | Son | — | 26 | ~1914 |
| Herbert Peterson | Son | — | 23 | ~1917 |
| James Peterson | Head | — | 56 | ~1884 |
Census Appearances
1920
Vermillion, Indiana
Daughter, age 6
Vermillion, Indiana · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Daughter |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vermillion, Indiana
Son, age 16
Vermillion, Indiana · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vermillion-County, Indiana
Son, age 26
Vermillion-County, Indiana · implied b. ~1914 — 6 household members
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Fairview Park Town |
| 1935 Residence (County) | Vermillion |
| Occupation | Common Labor |
| Industry | Park Construction |
| Class of Worker | GW |
| Hours Worked | 16 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Thomas Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Peterson (~0.92 confidence) and mother Malina Peterson (~0.92 confidence) and mother Melissa Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Peterson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Malina Peterson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Melissa Peterson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Peterson
Son · 1940 · age 26 · b. ~1914 · Indiana
★ You are viewing this record
Sibling
Raymond Peterson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madge Peterson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Peterson
Sibling · 1940 · age 23
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 — Vermillion-County, Indiana
Open full size
1940 US Federal Census — Vermillion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01102-00244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Johnson | 22 | Head | Attendant | Indiana |
| 2 | Mary Johnson | 17 | Wife | — | Illinois |
| 3 | Charles Uselman | 24 | Head | Mortar Maker | Illinois |
| 4 | Alma Uselman | 24 | Wife | — | Illinois |
| 5 | Larry Dale Uselman | 3 | Son | — | Indiana |
| 6 | Harold Gosnell | 36 | Head | Common Labor | Indiana |
| 7 | Catherine Gosnell | 28 | Wife | — | Indiana |
| 8 | Patricia Gosnell | 5 | Daughter | — | Indiana |
| 9 | Melinda Mcnee | 63 | Head | — | Indiana |
| 10 | Charles Weir | 21 | Head | Common Labor | Indiana |
| 11 | Dorothy May Weir | 19 | Wife | — | Indiana |
| 12 | George Farrington | 34 | Head | Mule Driver | Indiana |
| 13 | Mary Farrington | 23 | Wife | — | Indiana |
| 14 | Mary Alice Farrington | 3 | Daughter | — | Indiana |
| 15 | Wayne Farrington | 1 | Son | — | Indiana |
| 16 | Donald Farrington | 0 | Son | — | Indiana |
| 17 | James Peterson | 56 | Head | Operator | Illinois |
| 18 | Malina Peterson | 59 | Wife | — | Kentucky |
| 19 | Raymond Peterson | 36 | Son | Motorman | Indiana |
| 20 | Thomas Peterson THIS PERSON | 26 | Son | Common Labor | Indiana |
| 21 | Herbert Peterson | 23 | Son | Foreman | Indiana |
| 22 | Madge Peterson | 19 | Daughter | House Work | Indiana |
| 23 | William C. Bates | 60 | Head | Miner | Kentucky |
| 24 | Olive Bates | 56 | Wife | — | Ohio |
| 25 | Howard Bates | 17 | Son | Janitor Assistant | Indiana |
| 26 | Charlotte Bates | 12 | Daughter | — | Indiana |
| 27 | John G. Foster | 44 | Head | Engineer | Indiana |
| 28 | Florence Foster | 44 | Wife | — | Indiana |
| 29 | Leslie Foster | 21 | Son | — | Canada |
| 30 | Charles Foster | 14 | Son | — | Indiana |
| 31 | Margaret Foster | 12 | Daughter | — | Indiana |
| 32 | Warren Foster | 8 | Son | — | Indiana |
| 33 | Phyllis Foster | 5 | Daughter | — | Indiana |
| 34 | Archie Lalin | 49 | Head | Track Layer | Indiana |
| 35 | Jewel Lalin | 47 | Wife | — | Illinois |
| 36 | Arthur Lalin | 21 | Son | Musician | Indiana |
| 37 | Stanley Lalin | 19 | Son | Common Labor | Indiana |
| 38 | Archie Lalin | 16 | Son | Student | Indiana |
| 39 | Evelyn Lalin | 13 | Daughter | — | Indiana |
| 40 | Virginia Lalin | 9 | Daughter | — | Indiana |
Related Census Records
Pedigree Summary
Thomas + 3 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)