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William Higgins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Higgins across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Higgins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Higgins | Daughter | — | 3 | ~1937 |
| Eileen Higgins | Daughter | — | 16 | ~1924 |
| Catherine Higgins | Daughter | — | 18 | ~1922 |
| William Higgins | Head | — | 44 | ~1896 |
| William Higgins | Son | — | 14 | ~1926 |
| John Higgins | Son | — | 8 | ~1932 |
| James Higgins | Son | — | 9 | ~1931 |
| Emily Higgins | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Higgins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 8 household members
| Surname | Higgins |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 William Higgins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Higgins
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Catherine Higgins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Higgins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Higgins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Higgins
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Higgins
Sibling · 1940 · age 9
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-t0627-00978-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry De Groot | 24 | Head | Punch Press | Illinois |
| 2 | Ida De Groot | 20 | Wife | — | Indiana |
| 3 | Harry De Groot | 3 | Son | — | Illinois |
| 4 | Henry Serafini | 23 | Head | Labeler | Illinois |
| 5 | Helen Serafini | 20 | Wife | Paint Sprayer | Illinois |
| 6 | Lucy Busch | 60 | Head | — | Latvia |
| 7 | Albert Busch | 33 | Son | Porter | Illinois |
| 8 | George Busch | 31 | Son | Radio Engineer | Illinois |
| 9 | Dorothy Busch | 23 | Daughter | Steno Typist | Illinois |
| 10 | Henry Brown | 63 | Head | Stationary Engineer | So. Carolina |
| 11 | Alice Brown | 53 | Wife | — | Wisconsin |
| 12 | Thomas Norko | 47 | Head | Porter | Russia |
| 13 | Sophie Norko | 44 | Wife | Checker Laundry | Poland |
| 14 | Helen Norko | 22 | Daughter | Nurse | Illinois |
| 15 | William Higgins | 44 | Head | Complaint Investigator | Illinois |
| 16 | Emily Higgins | 40 | Wife | Machine Operator | Illinois |
| 17 | Catherine Higgins | 18 | Daughter | — | Illinois |
| 18 | Eileen Higgins | 16 | Daughter | — | Illinois |
| 19 | William Higgins THIS PERSON | 14 | Son | — | Illinois |
| 20 | James Higgins | 9 | Son | — | Illinois |
| 21 | John Higgins | 8 | Son | — | Illinois |
| 22 | Marilyn Higgins | 3 | Daughter | — | Illinois |
| 23 | John Kelley | 58 | Head | Bricklayer | Ireland |
| 24 | Letitia Kelley | 55 | Wife | — | Scotland |
| 25 | Daniel Kelley | 57 | Brother | Bricklayer | Scotland |
| 26 | Henry Herman | 40 | Head | — | Illinois |
| 27 | William Pretzer | 41 | Head | Chauffeur | Illinois |
| 28 | Hazel Pretzer | 40 | Wife | — | Illinois |
| 29 | Muriel Pretzer | 15 | Daughter | — | Illinois |
| 30 | William Pretzer | 11 | Son | — | Illinois |
| 31 | William Grenzebach | 37 | Head | Carpenter | California |
| 32 | Edla Grenzebach | 33 | Wife | — | Sweden |
| 33 | Alfred Grenzebach | 14 | Son | — | Illinois |
| 34 | Patricia Grenzebach | 8 | Daughter | — | Illinois |
| 35 | Rhoda Edin | 21 | Boarder | Clerk | Illinois |
| 36 | William Brady | 22 | Lodger | Machinist | Illinois |
| 37 | Lillie Heyman | 53 | Head | — | Illinois |
| 38 | Lillian Heyman | 20 | Daughter | Fountain Girl Waitress | Illinois |
| 39 | Violet Heyman | 14 | Daughter | — | Illinois |
| 40 | John Lydon | 32 | Head | Street Mechanic | Print Edw Isls |
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)