TS
Thomas Simmons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Thomas Simmons across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed), with identified parents Silas & Mary — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Simmons |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Farrington Twp |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | O |
| Hours Worked | 60 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Farrington Twp |
| Est. Birth Year | ~1903 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Nora Simmons | Daughter | — | 16 | ~1924 |
| Thomas Simmons | Head | — | 37 | ~1903 |
| John Simmons | Son | — | 12 | ~1928 |
| Alice Simmons | Daughter | — | 8 | ~1932 |
| Katie Simmons | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Marion, Illinois
Son, age 16
Marion, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Thomas A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Marion, Illinois
Head, age 27
Marion, Illinois · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Illinois
Head, age 37
Jefferson-County, Illinois · implied b. ~1903 — 5 household members
| Surname | Simmons |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Farrington Twp |
| 1935 Residence (County) | Jefferson |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | O |
| Hours Worked | 60 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Simmons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Silas Simmons (~0.92 confidence) and mother Mary Simmons (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Silas Simmons
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Simmons
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Simmons
Head · 1940 · age 37 · b. ~1903 · Illinois
★ 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 — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Simmons THIS PERSON | 37 | Head | Farmer | Illinois |
| 2 | Katie Simmons | 34 | Wife | Housewife | Illinois |
| 3 | Nora Simmons | 16 | Daughter | — | Illinois |
| 4 | John Simmons | 12 | Son | — | Illinois |
| 5 | Alice Simmons | 8 | Daughter | — | Illinois |
| 6 | Luther Daniels | 27 | Head | S. W. | Illinois |
| 7 | Dorothy Daniels | 20 | Wife | Housewife | Illinois |
| 8 | John T. Shafer | 65 | Head | Farmer | Ohio |
| 9 | Nora B. Shafer | 61 | Wife | Housewife | Illinois |
| 10 | Henry M. Shafer | 26 | Son | Professor | Illinois |
| 11 | John W. Sledge | 43 | Head | Farmer | Illinois |
| 12 | Ona Sledge | 43 | Wife | Housewife | Illinois |
| 13 | Robert Sledge | 19 | Son | Farm Hand | Illinois |
| 14 | Marlene Sledge | 17 | Son | Farm Hand | Illinois |
| 15 | Jimmy Sledge | 13 | Son | — | Illinois |
| 16 | Joe Sledge | 4 | Son | — | Illinois |
| 17 | William Kincaid | 57 | Head | — | Indiana |
| 18 | Della Mcelroy | 57 | Daughter | Housewife | Illinois |
| 19 | W. L. Mcelroy | 71 | Son in law | Farmer | Indiana |
| 20 | Virgel Mcelroy | 34 | Head | Farmer | Illinois |
| 21 | Mamie Mcelroy | 33 | Wife | Housewife | Illinois |
| 22 | Melvin Mcelroy | 11 | Son | — | Illinois |
| 23 | B. R. Sledge | 73 | Head | Farmer | Illinois |
| 24 | Minnie M. Sledge | 72 | Wife | Housewife | Illinois |
| 25 | Curtis French | 42 | Head | Farmer | Illinois |
| 26 | Myrtle French | 39 | Wife | Housewife | Illinois |
| 27 | Rudolph Offenstein | 77 | Head | Farmer | Illinois |
| 28 | Louesa A. Offenstein | 69 | Wife | Housewife | Illinois |
| 29 | Delbert H. Cooper | 64 | Head | Farmer | Illinois |
| 30 | Agnes Cooper | 62 | Sister | Housewife | Illinois |
| 31 | Dale E. Cooper | 19 | Nephew | Electrician | Illinois |
| 32 | J. Roy Tite | 41 | Head | Commissioner Of Highways | Illinois |
| 33 | Dolly Tite | 35 | Wife | Housewife | Illinois |
| 34 | Rayvins Tite | 13 | Son | — | Illinois |
| 35 | Junnis Tite | 10 | Son | — | Illinois |
| 36 | Shirley Tite | 6 | Daughter | — | Illinois |
| 37 | Jesse T. Bradly | 63 | Head | Farmer | Illinois |
| 38 | Jesse Bradford | 39 | Head | Farmer | Illinois |
| 39 | Minnie Bradford | 40 | Wife | Housewife | Illinois |
| 40 | Laura Bradford | 72 | Mother | — | Illinois |
Pedigree Summary
Thomas
Gen 1 · 2 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)