CT
Charles Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Thomas across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Adolph & Helena — first a head (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thomas |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Dept. store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 422 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Chicago |
| Est. Birth Year | ~1907 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Head | — | 33 | ~1907 |
| Julia Gaba | Other | — | 18 | ~1922 |
| Francis Crowley | Son | — | 6 | ~1934 |
| William Crowley | Son | — | 3 | ~1937 |
| Thomas Crowley | Son | — | 9 | ~1931 |
| Elizabeth Crowley | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thoma |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Other, age 23
Cook, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thoma |
| Given Name | Carl |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Occupation | Cable splicer |
| Industry | Telephone Co |
| Class of Worker | 8679 |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 33
Cook-County, Illinois · implied b. ~1907 — 6 household members
| Surname | Thomas |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Truck driver |
| Industry | Dept. store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 422 |
| Highest Grade | H-3 |
| 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 Charles Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adolph Thoma (~0.92 confidence) and mother Helena Thoma (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolph Thoma
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Helena Thoma
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Thomas
Head · 1940 · age 33 · b. ~1907 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00972-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Vellman | 17 | daughter | Stenographer | Illinois |
| 42 | Frank Galitz | 54 | Head | Bottler | Hungary |
| 43 | Mary Galitz | 45 | Wife | — | Hungary |
| 44 | Frank Jr. Galitz | 18 | Son | New Writer | Illinois |
| 45 | Charles Thomas THIS PERSON | 33 | Head | Truck Driver | Illinois |
| 46 | Elizabeth Crowley | 31 | Wife | — | Indiana |
| 47 | Thomas Jr. Crowley | 9 | Son | — | Illinois |
| 48 | Francis Crowley | 6 | Son | — | Illinois |
| 49 | William Crowley | 3 | Son | — | Illinois |
| 50 | Julia Gaba | 18 | Sister-in-law | Waitress | Illinois |
| 51 | John Whitelaw | 26 | Head | Electrical Oper. | Illinois |
| 52 | Mary Whitelaw | 26 | Wife | — | Illinois |
| 53 | Marilyn Whitelaw | 0 | Daughter | — | Illinois |
| 54 | Frank Drovitz | 29 | Head | Welding Machinist | Hungary |
| 55 | Theresa Drovitz | 29 | Wife | — | Pennsylvania |
| 57 | James Romanic | 46 | Head | Packer | Illinois |
| 58 | Betty Romanic | 41 | Wife | — | Wisconsin |
| 59 | Lawrence Romanic | 17 | Son | Errand Boy | Illinois |
| 60 | Lorraine Murray | 16 | Neice | — | Illinois |
| 61 | Gus Sieranski | 51 | Head | Plumber | Illinois |
| 62 | Nellie Sieranski | 49 | Wife | — | Wisconsin |
| 63 | Bernard Green | 32 | Lodger | Plumber Help | Illinois |
| 64 | Joseph Gorski | 58 | Head | — | Illinois |
| 65 | Lillian Gorski | 56 | Wife | — | Illinois |
| 66 | Earl Shields | 32 | Head | Chauffeur | Illinois |
| 67 | Grace Shields | 38 | Wife | — | Illinois |
| 68 | Patricia Shields | 2 | Daughter | — | Illinois |
| 69 | George Mortimer | 38 | Head | Machinist | Illinois |
| 70 | Camilla Mortimer | 36 | Wife | — | Illinois |
| 71 | Minnie Swaboda | 69 | Head | — | Ohio |
| 72 | John Griffin | 52 | Head | Assistant Eng Sanitary Dist | Illinois |
| 73 | Jessie Griffin | 50 | Wife | — | Michigan |
| 74 | Morris Yellen | 74 | Head | — | Poland |
| 75 | Fannie Yellen | 67 | Wife | — | Poland |
| 76 | Ben Henchlein | 43 | Head | Barber | Russia |
| 77 | Ray Henchlein | 43 | Wife | — | Russia |
| 78 | Ellen Henchlein | 17 | Daughter | — | Illinois |
| 79 | Allen Henchlein | 15 | Son | — | Illinois |
| 80 | Morris Henchlein | 50 | Head | Barber | Russia |
Pedigree Summary
Charles
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)