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William Hayes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this William Hayes across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hampton Township |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Hampton Township |
| Est. Birth Year | ~1864 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Jane Clotfelter | Daughter | — | 27 | ~1913 |
| William Hayes | Head | — | 76 | ~1864 |
| Mattie Hayes | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Rock Island, …
Head, age 55
Rock Island, Illinois · implied b. ~1865 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Rock Island, …
Head, age 65
Rock Island, Illinois · implied b. ~1865 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 33 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | Gen'l farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Rock-Island-County, Illinois
Head, age 76
Rock-Island-County, Illinois · implied b. ~1864 — 3 household members
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Hampton Township |
| 1935 Residence (County) | Rock Island |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Hayes 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 Hayes
Head · 1940 · age 76 · b. ~1864 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00874-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Cewe | 51 | Head | Farmer | Illinois |
| 42 | Crystal Cewe | 49 | wife | — | Illinois |
| 43 | Evelyn Cewe | 25 | daughter | Teacher | Illinois |
| 44 | Robert Cewe | 20 | son | Trucker | Illinois |
| 45 | Marie Schlueter | 47 | sister-in-law | — | Illinois |
| 46 | Wilbur Hermes | 41 | Head | — | Illinois |
| 47 | Albina Hermes | 40 | wife | — | Illinois |
| 48 | Eileen Hermes | 16 | daughter | — | Illinois |
| 49 | Mary Jo Hermes | 13 | daughter | — | Illinois |
| 50 | Carol Ann Hermes | 7 | daughter | — | Illinois |
| 51 | Marvin Goff | 34 | Head | 70 | Illinois |
| 52 | Frances Goff | 36 | wife | — | Illinois |
| 53 | Marvin Jr. Goff | 7 | son | — | Illinois |
| 54 | M. Hopkins Goff | 72 | father | — | Illinois |
| 55 | William Cashion | 69 | lodger | — | Iowa |
| 56 | Linwood Chamberlain | 36 | Head | 40 | South Dakota |
| 57 | Wilbur Devinney | 29 | Head | Farmer | Illinois |
| 58 | Marjorie Devinney | 21 | wife | — | Illinois |
| 59 | Sharon Kay Devinney | 1 | daughter | — | Illinois |
| 60 | William Hayes THIS PERSON | 76 | Head | Farmer | Iowa |
| 61 | Mattie Hayes | 62 | wife | — | Iowa |
| 62 | Jane Clotfelter | 27 | daughter | Teacher | Iowa |
| 63 | Nelman Perrigo | 32 | Head | 40 | Iowa |
| 64 | Ila Perrigo | 29 | wife | — | Iowa |
| 65 | Patricia Perrigo | 7 | daughter | — | Iowa |
| 66 | Lonnie Perrigo | 5 | son | — | Iowa |
| 67 | Terry Perrigo | 1 | son | — | Iowa |
| 68 | Arthur Ver Brugge | 46 | Head | 40 | Iowa |
| 69 | Iva Ver Brugge | 32 | wife | — | Illinois |
| 70 | James Ver Brugge | 6 | son | — | Illinois |
| 71 | Arthur Ver Brugge | 9 | son | — | California |
| 72 | James Eates | 48 | Head | 40 | Nebraska |
| 73 | Harriet Eates | 40 | wife | — | Kansas |
| 74 | Alvin Erickson | 44 | Head | 40 | Illinois |
| 75 | Stella Erickson | 45 | wife | — | Iowa |
| 76 | Shirley Erickson | 10 | daughter | — | Iowa |
| 77 | Nancy Erickson | 7 | daughter | — | Iowa |
| 78 | Henry Miller | 69 | Head | Farmer | Illinois |
| 79 | Margaret Miller | 61 | wife | — | Illinois |
| 80 | Edward Miller | 42 | son | Farmer | Illinois |
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)