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William Hanley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Hanley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hanley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1928 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| John Hanley | Head | — | 42 | ~1898 |
| Margaret Hanley | Daughter | — | 14 | ~1926 |
| Thomas Rowland | Other | — | 37 | ~1903 |
| William Hanley | Son | — | 12 | ~1928 |
| Kathryn Hanley | Spouse | — | 41 | ~1899 |
| John Hanley | Son | — | 15 | ~1925 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanley |
| Given Name | William P. |
| 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 |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 6 household members
| Surname | Hanley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 5 |
| 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 Hanley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hanley
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Margaret Hanley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hanley
Sibling · 1940 · age 15
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-t0627-01022-00651)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Churchill | 25 | Lodger | Accountant | Illinois |
| 2 | Albert J. Luckman | 48 | Head | Paper Box Maker | New Jersey |
| 3 | Dora Luckman | 47 | Wife | — | New York |
| 4 | John P. Rentzsch | 51 | Head | Stationary Salesman | Indiana |
| 5 | Bertha M. Rentzsch | 53 | Wife | — | Ohio |
| 6 | George Harvey | 40 | Head | Police Officer | Illinois |
| 7 | Arleen Harvey | 35 | Wife | — | Illinois |
| 8 | James Harvey | 87 | Father | — | Ohio |
| 9 | Frederick C. Messenger | 42 | Head | Bank Officer | Illinois |
| 10 | Ruth Messenger | 43 | Wife | — | Illinois |
| 11 | John V. Sullivan | 48 | Head | Conductor | Iowa |
| 12 | Anna Sullivan | 48 | Wife | — | Australia |
| 13 | Elizabeth A. Sullivan | 14 | Daughter | — | Illinois |
| 14 | John J. Sullivan | 12 | Son | — | Illinois |
| 15 | Martin Sullivan | 10 | Son | — | Illinois |
| 16 | James Sullivan | 8 | Son | — | Illinois |
| 17 | Otto C. Schmidt | 39 | Head | Head Underwriter | Missouri |
| 18 | Irmgard Schmidt | 36 | Wife | — | Illinois |
| 19 | Marilyn Schmidt | 2 | Adopted Daughter | — | Michigan |
| 20 | Paul S. Carlson | 34 | Head | Insurance Broker | Illinois |
| 21 | Doris Carlson | 33 | Wife | — | Illinois |
| 22 | Charles Turnquist | 70 | Father-in-law | — | Sweden |
| 23 | Anna A. Turnquist | 65 | Mother-in-law | — | Sweden |
| 24 | Florence E. Turnquist | 38 | Sister-in-law | Infant'S Nurse | Illinois |
| 25 | Joseph E. Masaluso | 45 | Head | Commission Broker | Illinois |
| 26 | Alice Masaluso | 36 | Wife | — | Illinois |
| 27 | Joseph M. Masaluso | 3 | Son | — | Illinois |
| 28 | John J. Hanley | 42 | Head | Insurance Adjuster | Illinois |
| 29 | Kathryn G. Hanley | 41 | Wife | — | Illinois |
| 30 | John R. Hanley | 15 | Son | — | Illinois |
| 31 | Margaret M. Hanley | 14 | Daughter | — | Illinois |
| 32 | William Hanley THIS PERSON | 12 | Son | — | Illinois |
| 33 | Thomas B. Rowland | 37 | Brother-in-law | Gas Station Attendant | Illinois |
| 34 | William C. Hanley | 76 | Head | — | New York |
| 35 | Elizabeth M. Hanley | 45 | Daughter | — | Illinois |
| 36 | Anna F. Hanley | 38 | Daughter | High School Teacher | Illinois |
| 37 | Helen J. Hanley | 33 | Daughter | Elementary School Teacher | Illinois |
| 38 | Margaret P. Hanley | 29 | Daughter | Medical Technician | Illinois |
| 39 | William La Main | 43 | Head | Insurance Office Pres. | Indiana |
| 40 | Alice La Main | 41 | Wife | — | 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)