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Thomas Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Fitzgerald across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Michael & Michel — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Fitzgerald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 344 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Plasterer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Fitzgerald | Daughter | — | 13 | ~1927 |
| Margaret Fitzgerald | Daughter | — | 15 | ~1925 |
| Thomas Fitzgerald | Head | — | 42 | ~1898 |
| Michael Fitzgerald | Other | — | 82 | ~1858 |
| Frieda Fitzgerald | Spouse | — | 39 | ~1901 |
Census Appearances
1910
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Plasterer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 32
Cook, Illinois · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Plasterer |
| Industry | Bldg Trades |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 55 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 5 household members
| Surname | Fitzgerald |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Plasterer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 344 |
| Highest Grade | H 3 |
| 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 Thomas Fitzgerald across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Fitzgerald (~0.92 confidence) and father Michel Fitzgerald (~0.92 confidence) and mother Ellen Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Fitzgerald
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Michel Fitzgerald
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Ellen Fitzgerald
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Fitzgerald
Head · 1940 · age 42 · b. ~1898 · 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-t0627-01007-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Haipert | Halpert | 27 | Wife | Maid | Illinois |
| 42 | John Schuster | 26 | Head | Brewer | Illinois |
| 43 | Caroline Schuster | 30 | Wife | — | Illinois |
| 44 | William Cavanaugh | 56 | Uncle | Laborer | Illinois |
| 45 | Henry Schuster | 32 | Brother | Truck Driver | Illinois |
| 46 | Clara Regenberg | 37 | Head | Brake Shoe Operator | Germany |
| 47 | Ursula Wreck | 10 | Niece | — | Germany |
| 48 | George Rojas | 20 | Head | Truck Driver | Texas |
| 49 | Eleanor Rojas | 21 | Wife | — | Illinois |
| 50 | Geraldine Rojas | 2 | daughter | — | Illinois |
| 51 | Georgia Rojas | 0 | daughter | — | Illinois |
| 52 | James Schultz | 23 | Lodger | Laborer | Pennsylvania |
| 53 | Peter Lazare | 42 | Head | Laborer | Illinois |
| 54 | Margaret Lazare | 36 | Wife | Machine Operator | Illinois |
| 55 | Jeanette Lazare | 16 | daughter | — | Illinois |
| 56 | Fred Orchard | 61 | Head | — | Germany |
| 57 | Fred Behrens | 60 | Head | — | Germany |
| 58 | Emil Vigel | 58 | Head | Laborer | Germany |
| 59 | Charles Hill | 40 | Head | Printer | Illinois |
| 60 | John Hill | 12 | Son | — | Indiana |
| 61 | George Hill | 10 | Son | — | Indiana |
| 62 | Norbert Werba | 31 | Head | Machine Operator | Illinois |
| 63 | Lucille Werba | 33 | Wife | — | Ohio |
| 64 | Eleanor Werba | 7 | daughter | — | Illinois |
| 65 | Earl Garvin | 44 | Head | Maintenance Man | Iowa |
| 66 | Mary Garvin | 44 | Wife | — | New Hampshire |
| 67 | Russell Tomshack | 19 | Step son | Surveyor | Illinois |
| 68 | Joseph Brodborb | 47 | Head | Core Maker | Illinois |
| 69 | Margaret Brodborb | 25 | Wife | Machine Operator | Illinois |
| 70 | Betty Brodborb | 8 | daughter | — | Illinois |
| 71 | Carol Brodborb | 2 | daughter | — | Illinois |
| 72 | Conrad Heier | 66 | Head | Cook | Germany |
| 73 | Loretta Heier | 27 | daughter | Telegrapher | Illinois |
| 74 | Thomas Fitzgerald THIS PERSON | 42 | Head | Plasterer | Illinois |
| 75 | Frieda Fitzgerald | 39 | Wife | — | Indiana |
| 76 | Margaret P. Fitzgerald | 15 | daughter | — | Illinois |
| 77 | Dorothy Fitzgerald | 13 | daughter | — | Illinois |
| 78 | Michael Fitzgerald | 82 | Father | — | Ireland |
| 79 | John Kratzmeyer | 46 | Head | Policeman | Illinois |
| 80 | Nona Kratzmeyer | 45 | Wife | — | 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)