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Lee Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lee Thomas across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 9-person household.
Age 44
b. ~1896
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thomas |
| Given Name | Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | W. Laborer |
| Industry | Automobile Plant |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 960 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | W. Laborer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1896 |
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 Lee | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Thomas | Daughter | — | 9 | ~1931 |
| Margaret Thomas | Daughter | — | 7 | ~1933 |
| Lottie Thomas | Spouse | — | 43 | ~1897 |
| Jimmie Thomas | Son | — | 16 | ~1924 |
| Lee Thomas | Head | — | 44 | ~1896 |
| Albert Thomas | Son | — | 18 | ~1922 |
| Harriet Thomas | Daughter | — | 14 | ~1926 |
| Monroe Thomas | Son | — | 20 | ~1920 |
| Emmet Thomas | Son | — | 12 | ~1928 |
Census Appearances
1930
Cook, Illinois
Head, age 35
Cook, Illinois · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 24 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Moulder |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 17 |
| Veteran | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Cook-County, Illinois
Head, age 44
Cook-County, Illinois · implied b. ~1896 — 9 household members
| Surname | Thomas |
| Given Name | Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | W. Laborer |
| Industry | Automobile Plant |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 960 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Lee Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lee Thomas
Head · 1940 · age 44 · b. ~1896 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00962-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Merrill | 7 | Daughter | — | Pennsylvania |
| 42 | Carlee Robison | 27 | Head | — | S. Carolina |
| 43 | Lang Jr. Robison | 4 | Son | — | Illinois |
| 44 | Mary Gage | 39 | Head | — | Mississippi |
| 45 | Mattie Paul | 34 | Lodger | — | Mississippi |
| 46 | Elnora Rease | 67 | Lodger | — | Mississippi |
| 47 | Mary Coleman | 26 | Lodger | — | Arkansas |
| 48 | Guadalupe Pedroza | 44 | Head | Laborer | Mexico |
| 49 | Jennie Pedroza | 41 | Wife | — | Tennessee |
| 50 | William Green | 41 | Lodger | Laborer | Mississippi |
| 51 | Wesley Cannon | 54 | Head | Laborer | Tennessee |
| 52 | Hazel Richardson | 34 | Lodger | — | Louisiana |
| 53 | Fred Henderson | 63 | Head | Laborer | Arkansas |
| 54 | Annie Henderson | 51 | Wife | — | Tennessee |
| 55 | Ruby Henderson | 14 | Daughter | — | Missouri |
| 56 | Clarence Henderson | 12 | Son | — | Arkansas |
| 57 | Mattie M. Henderson | 10 | Daughter | — | Illinois |
| 58 | Willie M. Lemay | 24 | Head | Maid | Georgia |
| 59 | Gloria Lemay | 5 | Daughter | — | Georgia |
| 60 | Walter Lemay | 3 | Son | — | Georgia |
| 61 | Lillian Boyd | 61 | Head | — | Louisiana |
| 62 | Mildred Boyd | 21 | Daughter | Book Binder | Iowa |
| 63 | Cleo Neal | 30 | Lodger | — | Nebraska |
| 64 | Grace Potts | 31 | Lodger | Maid | Kansas |
| 65 | Lula Meekins | 26 | Head | Owner | Tennessee |
| 66 | Lee Thomas THIS PERSON | 44 | Head | W. Laborer | Georgia |
| 67 | Lottie L. Thomas | 43 | Wife | — | Georgia |
| 68 | Monroe Thomas | 20 | Son | Porter | Georgia |
| 69 | Albert Thomas | 18 | Son | New Worker | Georgia |
| 70 | Jimmie Thomas | 16 | Son | — | Georgia |
| 71 | Harriet Thomas | 14 | Daughter | — | Illinois |
| 72 | Emmet Thomas | 12 | Son | — | Illinois |
| 73 | Sylvia Lee Thomas | 9 | Daughter | — | Illinois |
| 74 | Margaret Thomas | 7 | Daughter | — | Illinois |
| 75 | Rose Jackson | 40 | Head | — | Mississippi |
| 76 | Valentine Fort | 19 | Niece | — | Mississippi |
| 77 | William Fleming | 35 | Lodger | Laborer | Georgia |
| 78 | Curtis Herring | 49 | Head | Cook | Arkansas |
| 79 | Lennie Herring | 40 | Wife | — | Arkansas |
| 80 | Sylvester Scott | 23 | Son | Laborer | Arkansas |
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)