JF
James Foley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Foley across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents James & Laura — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Foley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | New Worker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Jean Foley | Daughter | — | 21 | ~1919 |
| Laura Foley | Head | — | 46 | ~1894 |
| James Mullen | Other | — | 58 | ~1882 |
| James Foley | Son | — | 23 | ~1917 |
| Jerome Foley | Son | — | 18 | ~1922 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | James |
| 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 13
Cook, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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 23
Cook-County, Illinois · implied b. ~1917 — 5 household members
| Surname | Foley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | G 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 James Foley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Foley (~0.92 confidence) and mother Laura Foley (~0.92 confidence) and mother Laura Foley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Foley
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Laura Foley
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Laura Foley
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Foley
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Jean Foley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Foley
Sibling · 1940 · age 18
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
39 people indexed on this census page (nara:1940:m-t0627-01011-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Klein | 10 | Son | — | Illinois |
| 2 | Lorraine Klein | 9 | Daughter | — | Illinois |
| 3 | Lois Klein | 6 | Daughter | — | Illinois |
| 4 | Carol Klein | 1 | Daughter | — | Illinois |
| 5 | John E Haberkorn | 29 | Head | Elevator Operator | Kansas |
| 6 | Helen Haberkorn | 27 | Wife | — | Kansas |
| 7 | Howard Haberkorn | 3 | Son | — | Illinois |
| 8 | Marilyn Haberkorn | 2 | Daughter | — | Illinois |
| 9 | Al Ackerman | 28 | Lodger | Assembler | Kansas |
| 10 | Christine Ackerman | 24 | Lodger | Assembler | Kansas |
| 11 | Mary Ackerman | 21 | Lodger | Wrapper | Kansas |
| 12 | Ella Doris | 54 | Head | — | Illinois |
| 13 | Henry Doris | 18 | Son | Clerk | Illinois |
| 14 | Eloise Doris | 17 | Daughter | Clerk | Illinois |
| 15 | Jane Doris | 16 | Daughter | — | Illinois |
| 16 | Vincent Bellino | 57 | Head | Tailor Cutter | Italy |
| 17 | Anna Bellino | 57 | Wife | — | Louisiana |
| 18 | Mathew Bellino | 20 | Son | — | Illinois |
| 19 | Walter Schodtle | 24 | Son | Car Washer | Illinois |
| 20 | Francis Schodtle | 23 | Daughter | — | Illinois |
| 21 | Alfred B Ludwig | 47 | Head | Proprietor | Indiana |
| 22 | Gertrude Ludwig | 37 | Wife | — | Illinois |
| 23 | Michael L Simon | 52 | Head | Proprietor | Illinois |
| 24 | Mary E Simon | 51 | Wife | — | Illinois |
| 25 | Charles T Simon | 21 | Son | Washer | Illinois |
| 26 | Robert T Simon | 16 | Son | — | Illinois |
| 27 | Laura Foley | 46 | Head | — | Illinois |
| 28 | James Foley THIS PERSON | 23 | Son | New Worker | Illinois |
| 29 | Jean Foley | 21 | Daughter | Adjuster | Illinois |
| 30 | Jerome Foley | 18 | Son | Assembler | Illinois |
| 31 | James Mullen | 58 | Brother | Machinery Mover | Illinois |
| 32 | Alf Eleeness | 36 | Head | Crater | Norway |
| 33 | Marie Eleeness | 33 | Wife | — | Michigan |
| 34 | Richard (Al) Eleeness | 5 | Son | — | Illinois |
| 35 | Ernest Hale | 33 | Head | Inspector | Kentucky |
| 36 | Lelia Hale | 31 | Wife | — | Illinois |
| 37 | James Hale | 11 | Son | — | Illinois |
| 38 | Lowell Hale | 8 | Son | — | Illinois |
| 39 | Elmer Wagner | 29 | Head | Proprietor | Illinois |
Pedigree Summary
James + 2 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)