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William Hays — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Effingham-County, Illinois
Our Model Tree links this William Hays across the 1930 and 1940 US Censuses in Effingham-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Effingham-County, Illinois |
| Surname | Hays |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson Twp |
| 1935 Residence (County) | Effingham |
| Additional Details | |
| Occupation | Laborer |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Jackson Twp |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| John Hays | Son | — | 8 | ~1932 |
| Myrtle Hays | Daughter | — | 3 | ~1937 |
| Carrie Hays | Spouse | — | 25 | ~1915 |
| Clyde Hays | Son | — | 1 | ~1939 |
| William Hays | Head | — | 31 | ~1909 |
| Bernice Hays | Daughter | — | 6 | ~1934 |
| Sarah Hays | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Effingham, Illinois
Son, age 23
Effingham, Illinois · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hays |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Saw mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Effingham-County, Illinois
Head, age 31
Effingham-County, Illinois · implied b. ~1909 — 7 household members
| Surname | Hays |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Jackson Twp |
| 1935 Residence (County) | Effingham |
| Occupation | Laborer |
| Industry | Oil Industry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | H 1 |
| 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 Hays across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hays
Head · 1940 · age 31 · b. ~1909 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Effingham-County, Illinois
Open full size
1940 US Federal Census — Effingham-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00800-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maynard Smith | 30 | Head | Farmer | Illinois |
| 2 | Marion Smith | 28 | Wife | — | Illinois |
| 3 | Don Allen Smith | 9 | Son | — | Illinois |
| 4 | Stanley Smith | 7 | Son | — | Illinois |
| 5 | Jane Smith | 5 | Daughter | — | Illinois |
| 6 | Dean Smith | 4 | Son | — | Illinois |
| 7 | Irvin Davis | 54 | Head | — | Illinois |
| 8 | Earl Shelton | 45 | Head | Farmer | Indiana |
| 9 | Carolyn Shelton | 41 | Wife | — | Illinois |
| 10 | Carl Shelton | 17 | Son | Laborer | Indiana |
| 11 | Emma Shelton | 9 | Daughter | — | Illinois |
| 12 | Joseph Hockenbury | 47 | Head | Veterinarian | Illinois |
| 13 | Bernelle Hockenbury | 40 | Wife | — | Illinois |
| 14 | Charles Hockenbury | 12 | Son | — | Iowa |
| 15 | Elmer J. Paceprock | 38 | Head | Farmer | Illinois |
| 16 | Oliva Paceprock | 34 | Wife | — | Missouri |
| 17 | Elmer Jr. Paceprock | 2 | Son | — | Indiana |
| 18 | Margaret Paceprock | 0 | Daughter | — | Illinois |
| 19 | William Hays THIS PERSON | 31 | Head | Laborer | Illinois |
| 20 | Carrie Hays | 25 | Wife | — | Illinois |
| 21 | John Hays | 8 | Son | — | Illinois |
| 22 | Bernice Hays | 6 | Daughter | — | Illinois |
| 23 | Sarah Hays | 4 | Daughter | — | Colorado |
| 24 | Myrtle Hays | 3 | Daughter | — | Colorado |
| 25 | Clyde Hays | 1 | Son | — | Illinois |
| 26 | Mel Watson | 39 | Head | Bread Salesman | Illinois |
| 27 | Nora Watson | 34 | Wife | — | Illinois |
| 28 | Pauline Watson | 10 | Daughter | — | Illinois |
| 29 | Lila Watson | 6 | Daughter | — | Illinois |
| 30 | Edith June Watson | 3 | Daughter | — | Illinois |
| 31 | Arthur Devore | 26 | Head | Truck Driver | Illinois |
| 32 | Ruth Devore | 19 | Wife | — | Illinois |
| 33 | John Anderson | 45 | Head | Farmer | South Dakota |
| 34 | Angeline Anderson | 50 | Wife | — | Iowa |
| 35 | Glen E. Baker | 31 | Head | Laborer | Illinois |
| 36 | Marjorie Baker | 25 | Wife | — | Illinois |
| 37 | Anthony Stefanski | 46 | Head | Proprietor | Illinois |
| 38 | Vera Stefanski | 45 | Wife | — | Illinois |
| 39 | Rose Marie Stefanski | 12 | Daughter | — | Illinois |
| 40 | Ramona Stefanski | 11 | Daughter | — | 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)