JF
James Foley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Foley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1931), then head of a 10-person household.
Age 9
b. ~1931
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 | 9 |
| Marital Status | Single |
| Birthplace | ILLINOIS |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1931 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Theresa Foley | Daughter | — | 1 | ~1939 |
| Roberta Foley | Daughter | — | 14 | ~1926 |
| William Foley | Head | — | 46 | ~1894 |
| William Foley | Son | — | 15 | ~1925 |
| Frank Foley | Son | — | 11 | ~1929 |
| James Foley | Son | — | 9 | ~1931 |
| Bernard Foley | Son | — | 17 | ~1923 |
| Vincent Foley | Son | — | 2 | ~1938 |
| Robert Foley | Son | — | 6 | ~1934 |
| Gertrude Foley | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 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 | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 9
Cook-County, Illinois · implied b. ~1931 — 10 household members
| Surname | FOLEY |
| Given Name | JAMES |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | ILLINOIS |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 James Foley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Foley
Son · 1940 · age 9 · b. ~1931 · Illinois
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Sibling
Frank Foley
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Foley
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Foley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Foley
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Foley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Foley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Foley
Sibling · 1940 · age 6
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-t0627-00971-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stephen Mackey | 60 | HEAD | Carpenter | IRISH FREE STATE |
| 2 | John Mackey | 23 | SON | Apprentice | ILLINOIS |
| 3 | Eileen Mackey | 22 | DAUGHTER | — | ILLINOIS |
| 4 | Patrick Mackey | 21 | SON | Apprentice | ILLINOIS |
| 5 | Edward Mackey | 19 | SON | New Worker | ILLINOIS |
| 6 | Frank Ragagli | 60 | HEAD | Insurance | ITALY |
| 7 | Louise Ragagli | 52 | WIFE | — | ILLINOIS |
| 8 | Earl Ragagli | 21 | SON | Insurance | ILLINOIS |
| 9 | Earle Mann | 23 | HEAD | Baker | TENNESSEE |
| 10 | Kitty Mann | 25 | WIFE | Presser | TENNESSEE |
| 11 | Helen Bazor | 18 | LODGER | — | TENNESSEE |
| 12 | Margaret Bazor | 15 | LODGER | — | ILLINOIS |
| 13 | James Cosgrove | 60 | HEAD | Stationary Engineer | ILLINOIS |
| 14 | Elizabeth Cosgrove | 14 | DAUGHTER | — | ILLINOIS |
| 15 | Mary Cosgrove | 63 | SISTER | — | ILLINOIS |
| 16 | Domenica Parenti | 58 | HEAD | — | ITALY |
| 17 | Joseph Parenti | 22 | SON | — | ILLINOIS |
| 18 | Casimero Mandac | 35 | HEAD | Pullman Attendant | FILIPINO ISLANDS |
| 19 | Mary Mandac | 26 | WIFE | — | ILLINOIS |
| 20 | Dolores Mandac | 6 | DAUGHTER | — | ILLINOIS |
| 21 | William Sr Foley | 46 | HEAD | Laborer | ILLINOIS |
| 22 | Gertrude Foley | 41 | WIFE | — | ILLINOIS |
| 23 | Bernard Foley | 17 | SON | — | ILLINOIS |
| 24 | William Jr Foley | 15 | SON | — | ILLINOIS |
| 25 | Roberta Foley | 14 | DAUGHTER | — | ILLINOIS |
| 26 | Frank Foley | 11 | SON | — | ILLINOIS |
| 27 | James Foley THIS PERSON | 9 | SON | — | ILLINOIS |
| 28 | Robert Foley | 6 | SON | — | ILLINOIS |
| 29 | Vincent Foley | 2 | SON | — | ILLINOIS |
| 30 | Theresa Foley | 1 | DAUGHTER | — | ILLINOIS |
| 31 | Charles Moe | 73 | HEAD | — | NORWAY |
| 32 | Lena Moe | 73 | WIFE | — | SWEDEN |
| 33 | Walter Moe | 36 | SON | Machinist | ILLINOIS |
| 34 | John W Hamburg | 74 | HEAD | — | NEW YORK |
| 35 | Edward Dority | 71 | HEAD | — | TENNESSEE |
| 36 | Nellie Dority | 52 | WIFE | — | KENTUCKY |
| 37 | Dorothy Dority | 13 | DAUGHTER | — | ILLINOIS |
| 38 | Patrick Mcnamara | 65 | HEAD | Chauffeur | ILLINOIS |
| 39 | Margaret Mcnamara | 65 | WIFE | — | INDIANA |
| 40 | Mabel Mcnamara | 28 | DAUGHTER | Artist | ILLINOIS |
Related Census Records
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)