TF
Thomas Farrell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Farrell across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents 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 | Farrell |
| Given Name | Thomas Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| Additional Details | |
| Occupation | Pressman |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 30 |
| Highest Grade | H-4 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Pressman |
| Township / Ward | Chicago |
| 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 |
|---|---|---|---|---|
| Berenice Farrell | Spouse | — | 27 | ~1913 |
| Thomas Farrell | Head | — | 28 | ~1912 |
| James Farrell | Son | — | 2 | ~1938 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 41 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Thomas J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Serviceman |
| Industry | Radio |
| 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 | Farrell |
| Given Name | Thomas Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| Occupation | Pressman |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 30 |
| Highest Grade | H-4 |
| 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 Farrell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Farrell (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Farrell
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Farrell
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-t0627-01004-00052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Lambert | 33 | Wife | No | Illinois |
| 2 | Marilyn Lambert | 4 | Daughter | No | Illinois |
| 3 | Anton Deebach | 54 | Head | Helper | Russia |
| 4 | Helen Deebach | 44 | Wife | No | Illinois |
| 5 | Loraine Deebach | 17 | Daughter | No | Illinois |
| 6 | Norbert Deebach | 13 | Son | No | Illinois |
| 7 | Geraldine Deebach | 10 | Daughter | No | Illinois |
| 8 | Wm Guehlke | 38 | Head | Milk Driver | Illinois |
| 9 | Myrtle Guehlke | 36 | Wife | No | Illinois |
| 10 | Donna Guehlke | 8 | Daughter | No | Illinois |
| 11 | Nancy Guehlke | 5 | Daughter | No | Illinois |
| 12 | Gloria Guehlke | 5 | Daughter | No | Illinois |
| 13 | Head Robert | None | M | No | — |
| 14 | Frances Robert | 54 | Wife | Checker | Illinois |
| 15 | William Soellner | 49 | Head | Patternmaker | Illinois |
| 16 | Clara Soellner | 38 | Wife | No | Germany |
| 17 | Evelyn Soellner | 17 | Daughter | No | Illinois |
| 18 | John Miller | 26 | Head | Clerk | Illinois |
| 19 | Lucille Miller | 26 | Wife | No | Illinois |
| 20 | John Jr Miller | 2 | Son | No | Illinois |
| 21 | Rudolf Henning | 50 | Head | Lathe Hand | Russia |
| 22 | Anna Henning | 39 | Wife | No | Russia |
| 23 | Ray Henning | 10 | Son | No | Illinois |
| 24 | Bertha Henning | 69 | Mother | No | Russia |
| 25 | Vernon King | 30 | Head | Packer | Illinois |
| 26 | Pearl King | 27 | Wife | No | Illinois |
| 27 | Carol King | 2 | Daughter | No | Illinois |
| 28 | Thomas Jr Farrell THIS PERSON | 28 | Head | Pressman | Illinois |
| 29 | Berenice Farrell | 27 | Wife | No | Illinois |
| 30 | James Farrell | 2 | Son | No | Illinois |
| 31 | Peter Heneghan | 40 | Head | Laborer | Eire |
| 32 | Bridgie Heneghan | 40 | Wife | No | Eire |
| 33 | John Heneghan | 12 | Son | No | Illinois |
| 34 | Mary Heneghan | 11 | Daughter | No | Illinois |
| 35 | Catherine Heneghan | 10 | Daughter | No | Illinois |
| 36 | Annie Heneghan | 9 | Daughter | No | Illinois |
| 37 | Peter Heneghan | 9 | Son | No | Illinois |
| 38 | John Kerrigan | 39 | Brother | Laborer | Eire |
| 39 | August Stiedve | 57 | Head | No | Illinois |
| 40 | Victoria Stiedve | 55 | Wife | No | Illinois |
Pedigree Summary
Thomas
Gen 1 · 1 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)