JT
John Thornton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this John Thornton across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Sydney & Cora — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Thornton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pekin City |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Pekin City |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| John Thornton | Son | — | 4 | ~1936 |
| John Thornton | Head | — | 32 | ~1908 |
| Harriett Thornton | Spouse | — | 29 | ~1911 |
| Orville Elmore | Other | — | 24 | ~1916 |
Census Appearances
1920
Tazewell, Illinois
Son, age 11
Tazewell, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thornton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Tazewell, Illinois
Son, age 22
Tazewell, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thornton |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Tazewell-County, Illinois
Head, age 32
Tazewell-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Thornton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pekin City |
| 1935 Residence (County) | Tazewell |
| Highest Grade | Hs 4 |
| 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 John Thornton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sydney Thornton (~0.92 confidence) and mother Cora Thornton (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sydney Thornton
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Cora Thornton
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thornton
Head · 1940 · age 32 · b. ~1908 · 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 — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00895-00444)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Leslie | 28 | Head | — | Arkansas |
| 42 | Lucy Leslie | 25 | Wife | — | Illinois |
| 43 | Donna Leslie | 4 | Daughter | — | Illinois |
| 44 | June Leslie | 1 | Daughter | — | Illinois |
| 45 | Opal Sutton | 36 | Head | — | Illinois |
| 46 | Thelma Sutton | 34 | Wife | — | Illinois |
| 47 | Lois Sutton | 14 | Daughter | — | Illinois |
| 48 | John Godby | 24 | Head | Laborer | Illinois |
| 49 | Lodine Godby | 19 | Wife | — | Illinois |
| 50 | Carol Godby | 1 | Daughter | — | Illinois |
| 51 | Peggy Godby | 0 | Daughter | — | Illinois |
| 52 | Ted Dunfery | 28 | Head | — | Illinois |
| 53 | Gladys D. Dunfery | 24 | Wife | — | Illinois |
| 54 | Gale Dunfery | 3 | Son | — | Illinois |
| 55 | Edward Seeleye | 28 | Head | — | Illinois |
| 56 | Paula Seeleye | 23 | Wife | — | Illinois |
| 57 | Henry Le Moine | 26 | Head | Laborer | Illinois |
| 58 | Lois Le Moine | 23 | Wife | — | Illinois |
| 59 | Jo-Ann Le Moine | 4 | Daughter | — | Illinois |
| 60 | Altha Peterson | 38 | Head | — | Illinois |
| 61 | Violet Peterson | 19 | Daughter | — | Illinois |
| 62 | Rose Mary Peterson | 16 | Daughter | — | Illinois |
| 63 | George Peterson | 15 | Son | — | Illinois |
| 64 | Barbara Peterson | 13 | Daughter | — | Illinois |
| 65 | Thomas Barbour | 29 | Head | Carpenter | Kentucky |
| 66 | Elizabeth Barbour | 26 | Wife | — | Illinois |
| 67 | Eileen Barbour | 6 | Daughter | — | Illinois |
| 68 | Mary Elaine Barbour | 0 | Daughter | — | Illinois |
| 69 | Donald Cowser | 27 | Head | Laborer | Illinois |
| 70 | Vera Cowser | 22 | Wife | — | Illinois |
| 71 | Vincent Cowser | 1 | Son | — | Illinois |
| 72 | John Thornton THIS PERSON | 32 | Head | — | Illinois |
| 73 | Harriett Thornton | 29 | Wife | — | Kentucky |
| 74 | John Thornton | 4 | Son | — | Indiana |
| 75 | Orville Elmore | 24 | Brother-in-law | — | Illinois |
| 76 | Joseph Barbour | 32 | Head | Wire Drawer | Kentucky |
| 77 | Dora Barbour | 31 | Wife | — | Kentucky |
| 78 | Mabel Barbour | 12 | Daughter | — | Illinois |
| 79 | Donna Barbour | 10 | Daughter | — | Illinois |
| 80 | June Barbour | 8 | Daughter | — | Illinois |
Pedigree Summary
John
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)