LC
Lillian Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lillian Cohen across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Isadore & Max — first a daughter (b.~1911), then head of a 10-person household.
Age 29
b. ~1911
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Cohen |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Comptom-Oper |
| Industry | Mail Order |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Comptom-Oper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1911 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Oscar Rothstein | Other | — | 32 | ~1908 |
| Charles Cohen | Son | — | 19 | ~1921 |
| Gerald Rothstein | Daughter | — | 7 | ~1933 |
| May Rothstein | Daughter | — | 30 | ~1910 |
| Esther Cohen | Head | — | 56 | ~1884 |
| Billie Cohen | Son | — | 13 | ~1927 |
| Sherman Cohen | Son | — | 17 | ~1923 |
| Doris Cohen | Daughter | — | 21 | ~1919 |
| Carol Rothstein | Son | — | 3 | ~1937 |
| Lillian Cohen | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Lily |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 20
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Bookkeeper |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 29
Cook-County, Illinois · implied b. ~1911 — 10 household members
| Surname | Cohen |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Comptom-Oper |
| Industry | Mail Order |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 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 Lillian Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isadore Cohen (~0.92 confidence) and father Max Cohen (~0.92 confidence) and mother Esther Cohen (~0.92 confidence) and mother Kate Cohen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isadore Cohen
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Max Cohen
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Esther Cohen
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Kate Cohen
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Cohen
Daughter · 1940 · age 29 · b. ~1911 · Illinois
★ You are viewing this record
Sibling
Carol Rothstein
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Rothstein
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherman Cohen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Cohen
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Rothstein
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cohen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Cohen
Sibling · 1940 · age 13
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-t0627-00984-00646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lifshutz | 28 | Daughter | Book-Keeper | Russia |
| 2 | Harold Lifshutz | 26 | Son | Shipping Clerk | Russia |
| 3 | Esther Cohen | 56 | Head | — | Rumania |
| 4 | Lillian Cohen THIS PERSON | 29 | Daughter | Comptom-Oper | Illinois |
| 5 | Doris Cohen | 21 | Daughter | Stenographer | Illinois |
| 6 | Sherman Cohen | 17 | Son | General Clerk | Illinois |
| 7 | Billie Cohen | 13 | Son | — | Illinois |
| 8 | Charles Cohen | 19 | Son | — | Illinois |
| 9 | Oscar Rothstein | 32 | Son-in-law | Credit-Man | Illinois |
| 10 | May Rothstein | 30 | Daughter | — | Illinois |
| 11 | Gerald Rothstein | 7 | Daughter | — | Illinois |
| 12 | Carol Rothstein | 3 | Son | — | Illinois |
| 13 | Alex Prokopiuk | 50 | Head | Tavern Keeper | Poland |
| 14 | Mary Prokopiuk | 47 | Wife | — | Poland |
| 15 | Walter Molina | 26 | Son | — | Illinois |
| 16 | George Calandra | 37 | Head | Press Operator | Louisiana |
| 17 | Christine Calandra | 26 | Wife | Candy-Packer | Illinois |
| 18 | Nicholas Bonomo | 34 | Head | Movie Operator | Illinois |
| 19 | Lucille Bonomo | 30 | Wife | — | Illinois |
| 20 | Marianne Bonomo | 2 | Daughter | — | Illinois |
| 21 | Annamarie Capezio | 70 | Head | — | Italy |
| 22 | Frank Capezio | 35 | Son | Truck Driver | Illinois |
| 23 | Victoria Capezio | 32 | Daughter | Dressmaker | Pennsylvania |
| 24 | Adeline Santora | 13 | Grand Daughter | — | Illinois |
| 25 | Dominick Santora | 7 | Grand Son | — | Illinois |
| 26 | Frank Szarek | 22 | Head | Tool & Die Maker | Illinois |
| 27 | Laverne Szarek | 21 | Wife | — | Illinois |
| 28 | Walter Remias | 24 | Head | Helper | Illinois |
| 29 | Eleanor Remias | 23 | Wife | — | Illinois |
| 30 | Edward Remias | 0 | Son | — | Illinois |
| 31 | Stanley Szarek | 45 | Head | Sales Clerk | Poland |
| 32 | Helen Szarek | 43 | Wife | — | New York |
| 33 | Stella Szarek | 24 | Daughter | Secretary | Illinois |
| 34 | John Mcdonough | 43 | Head | Shipping Clerk | Illinois |
| 35 | Florence Mcdonough | 44 | Wife | — | Illinois |
| 36 | Eileen Mcdonough | 15 | Daughter | Student | Illinois |
| 37 | Carmelo Cascio | 65 | Head | Kitchen Help | Italy |
| 38 | Rose Cascio | 61 | Wife | — | Italy |
| 39 | James Cascio | 26 | Son | Printer | Illinois |
| 40 | James Elia | 51 | Head | Metal Finisher | Italy |
Pedigree Summary
Lillian + 7 siblings
Gen 1 · 4 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)