CS
Charles Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Sullivan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Anna — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Sales Dispenser |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Sales Dispenser |
| Township / Ward | Chicago |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Florence Sullivan | Daughter | — | 14 | ~1926 |
| Florence Sullivan | Head | — | 47 | ~1893 |
| Bill Sullivan | Son | — | 17 | ~1923 |
| Charles Sullivan | Son | — | 22 | ~1918 |
| Francis Sullivan | Son | — | 25 | ~1915 |
| Dennis Sullivan | Son | — | 19 | ~1921 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 12
Cook, Illinois · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 22
Cook-County, Illinois · implied b. ~1918 — 6 household members
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Sales Dispenser |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| 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 Charles Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Sullivan (~0.92 confidence) and mother Anna Sullivan (~0.92 confidence) and mother Florence Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Sullivan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Anna Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Florence Sullivan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Sullivan
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Dennis Sullivan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bill Sullivan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01010-00792)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Leon | 17 | Son | — | Illinois |
| 2 | Rose Leon | 15 | Daughter | — | Illinois |
| 3 | Florence Sullivan | 47 | Head | — | Illinois |
| 4 | Francis Sullivan | 25 | Son | Freight Caller | Illinois |
| 5 | Charles Sullivan THIS PERSON | 22 | Son | Sales Dispenser | Illinois |
| 6 | Dennis Sullivan | 19 | Son | Bus Boy | Illinois |
| 7 | Bill Sullivan | 17 | Son | — | Illinois |
| 8 | Florence Sullivan | 14 | Daughter | — | Illinois |
| 9 | August Swizeri | 71 | Head | — | Italy |
| 10 | Christiani Swizeri | 67 | Wife | — | Italy |
| 11 | Rose Esposito | 39 | Daughter | Clerical | Indiana |
| 12 | Joseph Esposito | 19 | Grandson | — | Illinois |
| 13 | August Esposito | 16 | Grandson | — | Illinois |
| 14 | Frank Gabriel | 55 | Head | Wrapper | Ohio |
| 15 | Catherine Gabriel | 53 | Wife | — | Illinois |
| 16 | James Gabriel | 17 | Son | Clerical | Illinois |
| 17 | George Brishen | 73 | Head | — | Illinois |
| 18 | Gertrude Brishen | 70 | Wife | — | Illinois |
| 19 | Mary Homenzin-Maas | 46 | Head | Spinner | Mexico |
| 20 | Ralph Homenzin-Maas | 21 | Son | Presser | Mexico |
| 21 | Mary Decardenas | 71 | Grandmother | — | Mexico |
| 22 | Frank Torre | 47 | Head | Bartender | Cuba |
| 23 | Blanche Torre | 29 | Wife | Waitress | Cuba |
| 24 | Frank Altschul | 51 | Head | Milkman | Russia |
| 25 | Lena Altschul | 46 | Wife | Storekeeper | Russia |
| 26 | Benjamin Altschul | 22 | Son | Clerk | Illinois |
| 27 | Sol Altschul | 17 | Son | — | Illinois |
| 28 | Jennie Cohan | 27 | Daughter | — | Illinois |
| 29 | Max Cohan | 28 | Son-in-law | Clerk | Illinois |
| 30 | Gerald Cohan | 2 | Grandson | — | Illinois |
| 31 | Thomas J. Hurr | 50 | Head | Coil Maker | Illinois |
| 32 | Lorretta H. Hurr | 46 | Wife | — | Illinois |
| 33 | Rose Lillian Hurr | 25 | Daughter | — | Illinois |
| 34 | Catherine E. Hurr | 24 | Daughter | Elevator Operator | Illinois |
| 35 | Thomas J. Jr. Hurr | 20 | Son | Messenger | Illinois |
| 36 | Henry E. Hurr | 20 | Son | Clerk | Illinois |
| 37 | William A. Hurr | 18 | Son | — | Illinois |
| 38 | Mary E. Hurr | 14 | Daughter | — | Illinois |
| 39 | William Selk | 32 | Head | Stockman | Illinois |
| 40 | Magdalen Selk | 29 | Wife | — | Illinois |
Pedigree Summary
Charles + 4 siblings
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)