ET
Earl Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this Earl Thomas across the 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Spring Lake |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Spring Lake |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Imogene Thomas | Daughter | — | 6 | ~1934 |
| Toni Thomas | Daughter | — | 1 | ~1939 |
| Juanita Thomas | Spouse | — | 38 | ~1902 |
| Andy Thomas | Head | — | 41 | ~1899 |
| Shirley Thomas | Daughter | — | 4 | ~1936 |
| Sylvia Thomas | Daughter | — | 12 | ~1928 |
| Earl Thomas | Son | — | 15 | ~1925 |
| Norman Thomas | Son | — | 10 | ~1930 |
| Loren Thomas | Son | — | 17 | ~1923 |
Census Appearances
1930
Tazewell, Illinois
Son, age 5
Tazewell, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Tazewell-County, Illinois
Son, age 15
Tazewell-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Spring Lake |
| 1935 Residence (County) | Tazewell |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Earl Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Earl Thomas
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Sylvia Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Imogene Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Toni Thomas
Sibling · 1940 · age 1
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 — 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-t0627-00895-00701)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leclaire, Virgil Warner | 14 | Lodger | — | Illinois |
| 42 | Dan C. X. Williams | 41 | Head | Tool Room Work | Illinois |
| 43 | Evelyn Williams | 33 | Wife | — | Illinois |
| 44 | Lawrence Williams | 5 | Son | — | Illinois |
| 45 | Henry Q. Dale | 44 | Head | Farmer | Illinois |
| 46 | Edward W. Rynearson | 47 | Head | Turbine Operator | Illinois |
| 47 | Eva Rynearson | 45 | Wife | — | Illinois |
| 48 | Robert Rynearson | 18 | Son | — | Illinois |
| 49 | Eldon Rynearson | 13 | Son | — | Illinois |
| 50 | Wilbur Rynearson | 11 | Son | — | Illinois |
| 51 | Faren Rynearson | 8 | Son | — | Illinois |
| 52 | William Rynearson | 1 | Son | — | Illinois |
| 53 | John Seddon | 47 | Head | Foreman | England |
| 54 | Velma Seddon | 47 | Wife | — | Illinois |
| 55 | Alvie E. Bailey | 61 | Head | Farmer | Illinois |
| 56 | Flo Bailey | 56 | Wife | — | Nebraska |
| 57 | Jess W. Allen | 29 | Head | Road Dock Man | Indiana |
| 58 | Eleanor Allen | 25 | Wife | — | Illinois |
| 59 | Patricia Lynn Allen | 2 | Daughter | — | Illinois |
| 60 | Louis Preston | 60 | Head | Farmer | Nebraska |
| 61 | Marietta Preston | 57 | Wife | — | Illinois |
| 62 | John Preston | 58 | Brother | Farm Laborer | Nebraska |
| 63 | Clint W. Thomas | 30 | Head | Farmer | Illinois |
| 64 | Marie Thomas | 30 | Wife | — | Illinois |
| 65 | Marlene Thomas | 3 | Daughter | — | Illinois |
| 66 | John Guengrich | 63 | Head | Farmer | Germany |
| 67 | Hilly Guengrich | 41 | Wife | — | Illinois |
| 68 | John Allen Guengrich | 3 | Son | — | Illinois |
| 69 | Leonard F. Oertle | 37 | Hired man | Farm Laborer | Illinois |
| 70 | Andy Thomas | 41 | Head | Farmer | Arkansas |
| 71 | Juanita B. Thomas | 38 | Wife | — | Kentucky |
| 72 | Loren Thomas | 17 | Son | — | Illinois |
| 73 | Earl Thomas THIS PERSON | 15 | Son | — | Illinois |
| 74 | Sylvia Thomas | 12 | Daughter | — | Illinois |
| 75 | Norman Thomas | 10 | Son | — | Illinois |
| 76 | Imogene Thomas | 6 | Daughter | — | Illinois |
| 77 | Shirley Thomas | 4 | Daughter | — | Illinois |
| 78 | Toni Set Thomas | 1 | Daughter | — | Illinois |
| 79 | Carl Schmidgall | 41 | Head | Farmer | Illinois |
| 80 | Eula Schmidgall | 42 | Wife | — | Illinois |
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)