TR
Thomas Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Ryan across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Nellie — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ryan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Retired Fire Chief |
| Class of Worker | PW |
| Hours Worked | 7 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Retired Fire Chief |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| Rita Ryan | Daughter | — | 22 | ~1918 |
| Thomas Ryan | Head | — | 56 | ~1884 |
| Margaret Ryan | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Thaddeus |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Tobias |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Agent |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 45
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 9695 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Prohibition Agent |
| Industry | Govt. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 150.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 56
Cook-County, Illinois · implied b. ~1884 — 3 household members
| Surname | Ryan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Retired Fire Chief |
| Class of Worker | PW |
| Hours Worked | 7 |
| Highest Grade | No 8 |
| 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 Ryan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Ryan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Ryan
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Ryan
Head · 1940 · age 56 · b. ~1884 · 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-t0627-00984-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Steven De Christopher | 3 | Son | — | Illinois |
| 42 | Louis De Christopher | 1 | Son | — | Illinois |
| 43 | Hanna Arnold | 24 | Head | Maintenance Man | England |
| 44 | Erna Arnold | 25 | Wife | — | Illinois |
| 45 | Gerald Arnold | 7 | Son | — | New York |
| 46 | Warren Arnold | 3 | Son | — | Illinois |
| 47 | Carol Arnold | 1 | Daughter | — | Illinois |
| 48 | Joseph Mosna | 50 | Head | Men'S Tailor | Poland |
| 49 | Matilda Mosna | 43 | Wife | Seamstress | Poland |
| 50 | Max Mosna | 24 | Son | Printer Helper | Illinois |
| 51 | Alice Mosna | 17 | Daughter | — | Illinois |
| 52 | Wanda Mosna | 14 | Daughter | — | Illinois |
| 53 | Stanley Mosna | 11 | Daughter | — | Illinois |
| 54 | Andrew Clara | 75 | Head | — | New York |
| 55 | Minnie Clara | 64 | Wife | — | Pennsylvania |
| 56 | Joseph Yunus | 27 | Grand Son | Press Operator | Pennsylvania |
| 57 | Anthony Gerbasi | 51 | Head | Barber | Italy |
| 58 | Erminia Gerbasi | 44 | Wife | Laundress | Italy |
| 59 | Nicolas Saccimunto | 25 | Son in Law | Barber | Italy |
| 60 | Ann Saccimunto | 26 | Daughter | — | Illinois |
| 61 | Donald Saccimunto | 2 | Grand Son | — | Illinois |
| 62 | William Mccrum | 41 | Head | Freight Loader | Northern Ireland |
| 63 | Margaret Mccrum | 44 | Wife | — | Northern Ireland |
| 64 | Elizabeth Mccrum | 20 | Daughter | Assembler | Northern Ireland |
| 65 | William Mccrum | 19 | Son | Messenger | Northern Ireland |
| 66 | Samuel Mccrum | 17 | Son | Messenger Boy | Illinois |
| 67 | Alicia Mccrum | 15 | Daughter | — | Illinois |
| 68 | John Mccrum | 11 | Son | — | Illinois |
| 69 | Robert Mccrum | 9 | Son | — | Illinois |
| 70 | Samuel Arbuthnot | 51 | Lodger | Motor Man | Northern Ireland |
| 71 | Frank Shugrue | 42 | Head | Watchman | Illinois |
| 72 | Margaret Shugrue | 37 | Wife | — | Illinois |
| 73 | Margaret Shugrue | 17 | Daughter | Order Checker | Illinois |
| 74 | Evelyn Shugrue | 13 | Daughter | — | Illinois |
| 75 | Muriel Shugrue | 10 | Daughter | — | Illinois |
| 76 | Francis Shugrue | 8 | Son | — | Illinois |
| 77 | Thomas Ryan THIS PERSON | 56 | Head | Retired Fire Chief | Illinois |
| 78 | Margaret Ryan | 52 | Wife | — | Free State Ireland |
| 79 | Rita Ryan | 22 | Daughter | Private Stenographer | Illinois |
| 80 | William Kysonder | 37 | Head | Electro Typer | 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)