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William Huff — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Huff across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Huff |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1930 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Irene Huff | Daughter | — | 7 | ~1933 |
| Roy Huff | Son | — | 20 | ~1920 |
| Ethel Huff | Daughter | — | 18 | ~1922 |
| Bruce Huff | Head | — | 49 | ~1891 |
| Bruce Huff | Son | — | 24 | ~1916 |
| William Huff | Son | — | 10 | ~1930 |
| Helen Huff | Daughter | — | 12 | ~1928 |
| Richard Huff | Son | — | 14 | ~1926 |
| Geraldine Huff | Spouse | — | 47 | ~1893 |
| Delda Huff | Other | — | 21 | ~1919 |
Census Appearances
1930
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huff |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 10
Cook-County, Illinois · implied b. ~1930 — 10 household members
| Surname | Huff |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Highest Grade | No 4 |
| 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 Huff across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Huff
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Roy Huff
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Huff
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Huff
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Huff
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Huff
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bruce Huff
Sibling · 1940 · age 24
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-t0627-00955-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Netta P Moses | 63 | Head | — | Indiana |
| 2 | Raymond A Ahlgren | 41 | Son in law | Fireman | Illinois |
| 3 | Thelma Ahlgren | 37 | Daughter | — | Indiana |
| 4 | Raymond F Ahlgren | 14 | Grandson | — | Illinois |
| 5 | Robert A Ahlgren | 9 | Grandson | — | Illinois |
| 6 | Elizabeth C Ahlgren | 3 | Granddaughter | — | Illinois |
| 7 | William Seitzinger | 69 | Head | Machinist | Pennsylvania |
| 8 | Mary Seitzinger | 63 | Wife | — | England |
| 9 | Hans Gustafson | 37 | Head | Contractor | Sweden |
| 10 | Ina M Gustafson | 36 | Wife | — | Sweden |
| 11 | Jeannette Gustafson | 11 | Daughter | — | Illinois |
| 12 | Hans F Gustafson | 4 | Son | — | Illinois |
| 13 | Bruce E Huff | 49 | Head | Gas-Fitter | Colorado |
| 14 | Geraldine Huff | 47 | Wife | — | Illinois |
| 15 | Roy T Huff | 20 | Son | Chemist Helper | Illinois |
| 16 | Ethel M Huff | 18 | Daughter | Machine-Operative | Illinois |
| 17 | Richard A Huff | 14 | Son | — | Illinois |
| 18 | Helen B Huff | 12 | Daughter | — | Illinois |
| 19 | William C Huff THIS PERSON | 10 | Son | — | Illinois |
| 20 | Irene Lucile Huff | 7 | Daughter | — | Illinois |
| 21 | Bruce E Jr Huff | 24 | Son | Mechanical Draftsman | Illinois |
| 22 | Delda Huff | 21 | Daughter-in-law | Typist | Illinois |
| 23 | Frank Halb | 43 | Head | Blacksmith | Austria |
| 24 | Theresa Halb | 40 | Wife | — | Austria |
| 25 | Erna Halb | 19 | Daughter | Typist | Austria |
| 26 | Richard Halb | 6 | Son | — | Illinois |
| 27 | Frank Meidl | 74 | Father-in-law | — | Austria |
| 28 | Matthew Schneider | 37 | Head | Ass'T Branch Manager | Illinois |
| 29 | Theresa Schneider | 69 | Mother | — | Illinois |
| 30 | Roy Schneider | 39 | Brother | Stenographer | Illinois |
| 31 | Dorothy Schneider | 32 | Sister-in-law | — | Illinois |
| 32 | Jean Schneider | 13 | Neice | — | Illinois |
| 33 | Roy Jr Schneider | 11 | Nephew | — | Illinois |
| 34 | Ronald M Schneider | 7 | Nephew | — | Illinois |
| 35 | Charles F Rysden | 45 | Head | Sheet Metal Worker | Illinois |
| 36 | Essie I Rysden | 46 | Wife | — | Illinois |
| 37 | Charles F Jr Rysden | 19 | Son | — | Illinois |
| 38 | Elsie A Rysden | 17 | Daughter | — | Illinois |
| 39 | Grace H Rysden | 15 | Daughter | — | Illinois |
| 40 | Harry Nelsen | 45 | Head | Repair Man | 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)