WF
William Foley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Foley across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Foley |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Printer |
| Industry | Medical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Printer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1886 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Foley | Daughter | — | 23 | ~1917 |
| Lucille Foley | Daughter | — | 16 | ~1924 |
| William Foley | Head | — | 54 | ~1886 |
| William Foley | Son | — | 19 | ~1921 |
| Genevieve Foley | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Head, age 35
Cook, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Printer |
| Industry | Medical Journal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 46
Cook, Illinois · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 28 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Printer |
| Industry | Printing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 27 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 54
Cook-County, Illinois · implied b. ~1886 — 5 household members
| Surname | Foley |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Printer |
| Industry | Medical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3600 |
| 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 William Foley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Foley
Head · 1940 · age 54 · b. ~1886 · Illinois
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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-t0627-00987-00817)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Porter | 87 | Head | — | England |
| 2 | Elizabeth Porter | 82 | Sister | — | England |
| 3 | Emma Morris | 52 | Head | — | Illinois |
| 4 | Eileen Morris | 20 | Daughter | Stenographer | Illinois |
| 5 | John K. Lund | 49 | Head | Superintendent | Norway |
| 6 | Anna Lund | 56 | Wife | — | Norway |
| 7 | Otto Swanson | 66 | Head | Pattern Maker | Sweden |
| 8 | Lillian Swanson | 26 | Daughter | — | Illinois |
| 9 | Lawrence Swanson | 17 | Son | — | Illinois |
| 10 | Walter Mortensen | 68 | Head | Deliveryman | Denmark |
| 11 | Anna Mortensen | 62 | Wife | — | Germany |
| 12 | Ruth Mortensen | 28 | Daughter | Switchboard | Illinois |
| 13 | Raymond Mortensen | 25 | Son | Inspector | Illinois |
| 14 | Victor H. Jensen | 43 | Head | Manager | Illinois |
| 15 | Hazel Jensen | 42 | Wife | — | Illinois |
| 16 | Victor Jr. Jensen | 14 | Son | — | Illinois |
| 17 | Robert Jensen | 11 | Son | — | Illinois |
| 18 | Betty Ann Jensen | 6 | Daughter | — | Illinois |
| 19 | Nance C. Amosson | 63 | Sister | — | Norway |
| 20 | Julia Knudson | 40 | Cousin | Switchboard Operator | Wisconsin |
| 21 | William J. Foley THIS PERSON | 54 | Head | Printer | Illinois |
| 22 | Genevieve Foley | 50 | Wife | — | Illinois |
| 23 | Margaret Foley | 23 | Daughter | Secretary | Illinois |
| 24 | William Jr. Foley | 19 | Son | — | Illinois |
| 25 | Lucille Foley | 16 | Daughter | — | Illinois |
| 26 | Edward J. Quailly | 63 | Head | Teller | Michigan |
| 27 | Evelyn E. Quailly | 39 | Wife | Clerk | Wisconsin |
| 28 | Alex Bialaia | 57 | Head | Watchman | Austria |
| 29 | Eva Bialaia | 48 | Wife | — | Poland |
| 30 | Julia Bialaia | 28 | Daughter | Stenographer | Illinois |
| 31 | Tony Bialaia | 27 | Son | Laborer | Illinois |
| 32 | Christ Brix | 43 | Head | Printer | Denmark |
| 33 | Maratha Brix | 43 | Wife | Printer Helper | Denmark |
| 34 | Viggo Brix | 19 | Son | Printer Helper | Illinois |
| 35 | James Brix | 4 | Son | — | Denmark |
| 36 | Frieda Pabst | 35 | Head | — | Wisconsin |
| 37 | Edward Pabst | 8 | Son | — | Illinois |
| 38 | William Schneider | 62 | Head | Laborer | Austria |
| 39 | Mary Schneider | 62 | Wife | — | Austria |
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)