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Thomas Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Walsh across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Thomas — first a son (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Laborer |
| Industry | City Sewer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1915 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Daniel Walsh | Head | — | 58 | ~1882 |
| Thomas Walsh | Son | — | 25 | ~1915 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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
Son, age 14
Cook, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 2 household members
| Surname | Walsh |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | City Sewer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | H-4 |
| 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 Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Walsh (~0.82 confidence) and father Thomas Walsh (~0.92 confidence) and father Daniel Walsh (~0.92 confidence) and mother Josephine Walsh (~0.92 confidence) and father Thomas Walsh (~0.92 confidence) and mother Teresa Walsh (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Edward Walsh
b. ~1868
Source mother>father
● Household
· direct · ~0.82
Father
Thomas Walsh
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Daniel Walsh
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Josephine Walsh
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Thomas Walsh
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Teresa Walsh
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Walsh
Son · 1940 · age 25 · b. ~1915 · 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-t0627-00950-00724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary O. Henley | 25 | Wife | — | Illinois |
| 2 | Kathleen Henley | 1 | Daughter | — | Illinois |
| 3 | Dennis Henley | 0 | Son | — | Illinois |
| 4 | Charles Payne | 46 | Head | Chipper | Pennsylvania |
| 5 | Ella J. Payne | 44 | Wife | — | Pennsylvania |
| 6 | Charles W. Payne | 17 | Son | — | Pennsylvania |
| 7 | Alma Payne | 15 | Daughter | — | Pennsylvania |
| 8 | Sarah Gardner | 76 | Mother | — | Pennsylvania |
| 9 | Stanley Greenleaday|Greenleady | 45 | Head | Mechanic | Pennsylvania |
| 10 | Nanette Greenleaday|Greenleady | 46 | Wife | — | Pennsylvania |
| 11 | Alicia Werner | 70 | Head | — | Illinois |
| 12 | James Werner | 36 | Son | Assistant Driver | Illinois |
| 13 | Lawrence Lindberg | 15 | Grandson | — | Illinois |
| 14 | Ruth B. Lindberg | 11 | Granddaughter | — | Illinois |
| 15 | Shirley M. Lindberg | 4 | Granddaughter | — | Illinois |
| 16 | Margaret Thompson | 34 | Head | — | Illinois |
| 17 | Charles Thompson | 12 | Son | — | Illinois |
| 18 | Margaret Thompson | 10 | Daughter | — | Illinois |
| 19 | Catherine Foley | 74 | Grandmother | — | England |
| 20 | Daniel Walsh | 58 | Head | — | Ireland |
| 21 | Thomas Walsh THIS PERSON | 25 | Son | Laborer | Illinois |
| 22 | Otto Rick | 65 | Head | Box Maker | Wisconsin |
| 23 | Anna Rick | 79 | Wife | — | Germany |
| 24 | Frank Weir | 35 | Lodger | Box Maker | Germany |
| 25 | William Eller | 47 | Head | Poultry Dresser | Missouri |
| 26 | Clara Eller | 43 | Wife | — | Illinois |
| 27 | Virginia Eller | 18 | Daughter | Clerk | Illinois |
| 28 | Clifford Eller | 10 | Son | — | Illinois |
| 29 | Anthony Gedraitis | 48 | Head | Laborer | Lithuania |
| 30 | Anna Gedraitis | 51 | Wife | — | Lithuania |
| 31 | Son Joseph | None | M | Steel Co | — |
| 32 | James Jurvanis | 65 | Lodger | — | Lithuania |
| 33 | Peter Chekorda | 49 | Head | Packer | Russia |
| 34 | Elizabeth Chekorda | 47 | Wife | — | Lithuania |
| 35 | Bernard Chekorda | 17 | Son | Messenger | Illinois |
| 36 | Leonard Chekorda | 14 | Son | — | Illinois |
| 37 | Martin Sullivan | 57 | Head | Fireman | Ireland |
| 38 | Bridget Sullivan | 52 | Wife | — | Ireland |
| 39 | John Sullivan | 30 | Son | Clerk | Illinois |
Pedigree Summary
Thomas
Gen 1 · 5 parents
~0.92
Gen 2 · 1 grandparents
~0.82
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)