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William Hickey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this William Hickey across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Hickey |
| Given Name | William F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet City |
| 1935 Residence (County) | Will |
| Additional Details | |
| Occupation | Assistant Clerk |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 631 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Assistant Clerk |
| Township / Ward | Joliet City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Robert Hickey | Son | — | 16 | ~1924 |
| William Hickey | Head | — | 52 | ~1888 |
| James Hickey | Son | — | 15 | ~1925 |
| Florence Hickey | Spouse | — | 47 | ~1893 |
| William Hickey | Son | — | 21 | ~1919 |
| John Hickey | Son | — | 19 | ~1921 |
Census Appearances
1920
Will, Illinois
Son, age 1
Will, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | William D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Mother Tongue | Eng |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Son, age 11
Will, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Son, age 21
Will-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Hickey |
| Given Name | William F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet City |
| 1935 Residence (County) | Will |
| Occupation | Assistant Clerk |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 631 |
| Highest Grade | C 2 |
| 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 Hickey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hickey (~0.92 confidence) and father William Hickey (~0.92 confidence) and mother Florence Hickey (~0.92 confidence) and mother Florence Hickey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hickey
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Hickey
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Florence Hickey
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Florence Hickey
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hickey
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
James Hickey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hickey
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hickey
Sibling · 1940 · age 19
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00907-01088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Walsh | 34 | Son | Drug Clerk | Illinois |
| 2 | Frank Walsh | 33 | Son | Shipping Clerk | Illinois |
| 3 | Marie Walsh | 30 | Daughter | Stitcher | Illinois |
| 4 | Ida Mae Walsh | 28 | Daughter | — | Illinois |
| 5 | Raymond Walsh | 24 | Son | Bundle Tier | Illinois |
| 7 | James J. Leep | 49 | Head | Lawyer | Illinois |
| 8 | Anna Leep | 48 | Wife | — | Illinois |
| 9 | Robert Leep | 21 | Son | — | Illinois |
| 10 | Marshall Leep | 17 | Son | — | Illinois |
| 11 | Eva R. Schuster | 82 | Mother-in-law | — | Illinois |
| 12 | Elizabeth Winker | 68 | Sister-in-law | — | Illinois |
| 13 | Charles E. Kraft | 52 | Head | Express Clerk | Illinois |
| 14 | Thomas F. Egan | 56 | Head | Supt Of Mails | Illinois |
| 15 | Julia E. Egan | 51 | Wife | — | Illinois |
| 16 | James H. Egan | 20 | Son | — | Illinois |
| 17 | John F. Egan | 16 | Son | — | Illinois |
| 18 | Arthur E. Kelly | 37 | Head | Secretary | Illinois |
| 19 | Linda S. Kelly | 35 | Wife | — | Illinois |
| 20 | Robert Kelly | 8 | Son | — | Illinois |
| 21 | Carola Ann Kelly | 4 | Daughter | — | Illinois |
| 22 | William D. Hickey | 52 | Head | Salesman | Illinois |
| 23 | Florence D. Hickey | 47 | Wife | — | Illinois |
| 24 | William F. Jr. Hickey THIS PERSON | 21 | Son | Assistant Clerk | Illinois |
| 25 | John J. Hickey | 19 | Son | — | Illinois |
| 26 | Robert E. Hickey | 16 | Son | — | Illinois |
| 27 | James V. Hickey | 15 | Son | — | Illinois |
| 28 | George A. Engelman | 57 | Head | Salesman | Illinois |
| 29 | Anne Engelman | 45 | Wife | — | Illinois |
| 30 | Bertram Engelman | 15 | Son | — | Illinois |
| 31 | Max L. Seiberling | 55 | Head | Civil Engineer | Illinois |
| 32 | Elsie R. Seiberling | 53 | Wife | — | Illinois |
| 33 | Kevin Seiberling | 29 | Son | Mach. Oper. | Kansas |
| 34 | Esther Seiberling | 25 | Daughter-in-law | Registered Nurse | Illinois |
| 35 | David Seiberling | 2 | Grandson | — | Illinois |
| 36 | Charles Seiberling | 23 | Nephew | Surveyor Apprentice | Kansas |
| 37 | Joy Seiberling | 18 | Nephew's wife | — | Texas |
| 38 | John W. Draper | 81 | Head | — | Illinois |
| 39 | Emma E. Draper | 61 | Wife | — | Illinois |
| 40 | Raymond P. Draper | 32 | Son | Asst. Supt. | Illinois |
Pedigree Summary
William + 3 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)