TC
Thomas Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Carroll across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Thomas — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carroll |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Packer |
| Industry | Can Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Packer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Carroll | Head | — | 28 | ~1912 |
| Sharon Carroll | Daughter | — | 2 | ~1938 |
| Ann Carroll | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Bldg Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 28
Cook-County, Illinois · implied b. ~1912 — 3 household members
| Surname | Carroll |
| Given Name | Thomas |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Packer |
| Industry | Can Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-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 Thomas Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Carroll (~0.92 confidence) and father Thomas Carroll (~0.92 confidence) and mother Bridget Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Carroll
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
Thomas Carroll
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bridget Carroll
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Carroll
Head · 1940 · age 28 · b. ~1912 · 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
40 people indexed on this census page (nara:1940:m-t0627-00966-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Jr Vachta | 13 | son | — | Illinois |
| 2 | Lloyd Billman | 24 | head | Candy Maker | Illinois |
| 3 | Betty Billman | 24 | wife | Waitress | Illinois |
| 4 | Joseph Walegala | 64 | head | Carpenter | Poland |
| 5 | Catherine Walegala | 61 | wife | — | Poland |
| 6 | Mary Rogalski | 22 | daughter | — | Illinois |
| 7 | Joseph Siury | 74 | brother-in-law | — | Poland |
| 8 | John Wawruska | 26 | head | Operator | Illinois |
| 9 | Charlotte Wawruska | 26 | wife | — | Illinois |
| 10 | Thomas Carroll THIS PERSON | 28 | head | Packer | Illinois |
| 11 | Ann Carroll | 27 | wife | Operator | Illinois |
| 12 | Sharon Carroll | 2 | daughter | — | Illinois |
| 13 | Michael Drzewiecki | 63 | head | Contractor | Poland |
| 14 | Sophie Drzewiecki | 55 | wife | — | Poland |
| 15 | Walter Drzewiecki | 34 | son | Laborer | Illinois |
| 16 | Joseph Pawlowski | 35 | son-in-law | Salesman | Illinois |
| 17 | Helen Pawlowski | 32 | daughter | — | Illinois |
| 18 | Nina Jo Pawlowski | 1 | daughter | — | Illinois |
| 19 | James Kownowsky | 50 | head | Ass'T Stockman | Illinois |
| 20 | Louise Kownowsky | 50 | wife | — | Indiana |
| 21 | John Dunning | 26 | head | Truck Driver | Kentucky |
| 22 | Bernice Dunning | 23 | wife | Assembler | Illinois |
| 23 | Konstancie Wierzbicki | 61 | head | Baker | Poland |
| 24 | Bernice Wierzbicki | 55 | wife | — | Poland |
| 25 | John Szczyglowski | 50 | head | Bricklayer | Poland |
| 26 | Molly Szczyglowski | 47 | wife | Presser | Poland |
| 27 | Richard Szczyglowski | 18 | son | — | Illinois |
| 28 | John Szczyglowski | 15 | son | — | Illinois |
| 29 | Frank Hanas | 31 | head | Junker | Illinois |
| 30 | Stella Hanas | 27 | wife | — | Illinois |
| 31 | Frank Jr. Hanas | 6 | son | — | Illinois |
| 32 | Richard Hanas | 5 | son | — | Illinois |
| 33 | Jerome Hanas | 3 | son | — | Illinois |
| 34 | George Hanas | 1 | son | — | Illinois |
| 35 | Patricia Ann Hanas | 1 | daughter | — | Illinois |
| 36 | Raymond Hanas | 4 | son | — | Illinois |
| 37 | Edward Curran | 40 | head | Policeman | Illinois |
| 38 | Josephine Curran | 38 | wife | — | Illinois |
| 39 | Richard Curran | 18 | son | Trucker'S Helper | Illinois |
| 40 | Robert Curran | 15 | son | — | Illinois |
Pedigree Summary
Thomas
Gen 1 · 3 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)