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William Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this William Hayes across the 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents Leslie & Margaret — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Hayes |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | carpenter |
| Industry | for self |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1434 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Carpenter |
| Township / Ward | Middletown City |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Carla Hayes | Daughter | — | 1 | ~1939 |
| William Hayes | Head | — | 25 | ~1915 |
| John Hayes | Son | — | 3 | ~1937 |
| Mary Hayes | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Hamilton, Ohio
Son, age 2
Hamilton, Ohio · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Welland |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Son, age 13
Butler, Ohio · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Willard M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Head, age 25
Butler-County, Ohio · implied b. ~1915 — 4 household members
| Surname | Hayes |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Occupation | carpenter |
| Industry | for self |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1434 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 locations, using XGBoost record linkage. Identified parents: father Leslie Hayes (~0.92 confidence) and mother Margaret Hayes (~0.92 confidence) and father William Hayes (~0.92 confidence) and mother Ruth Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leslie Hayes
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Margaret Hayes
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
William Hayes
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Ruth Hayes
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hayes
Head · 1940 · age 25 · b. ~1915 · Ohio
★ 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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03034-00536)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fouch, William Fouch | 4 | son | — | Ohio |
| 42 | Fouch, Ronald Fouch | 2 | son | — | Ohio |
| 43 | Frank F. Koeppel | 56 | Head | Power House Oiler | Ohio |
| 44 | Blanche D. Koeppel | 55 | wife | — | Ohio |
| 45 | Roberta Koeppel | 26 | daughter | Claims Clerk | Ohio |
| 46 | Adelaide Koeppel | 22 | daughter | Telephone Operator | Ohio |
| 47 | Oscar F. Koeppel | 20 | son | Service Man | Ohio |
| 48 | Elinor Rita Koeppel | 12 | daughter | — | Ohio |
| 49 | Joan Elizabeth Koeppel | 7 | daughter | — | Ohio |
| 50 | Elmer Hater | 62 | Head | — | Ohio |
| 51 | Jennie Hater | 52 | wife | — | Kentucky |
| 52 | Howard Nadine Hater | 19 | daughter | — | Ohio |
| 53 | Wilbur Hater | 14 | son | — | Ohio |
| 54 | Howard Barker | 24 | step-son | Car Washer | Ohio |
| 55 | Edward Al Barker | 19 | step-son | Supply Agent | Ohio |
| 56 | Lawrence Barker | 17 | step-son | Wood Topper | Ohio |
| 57 | Dorothy Moore | 22 | daughter | Maid | Ohio |
| 58 | James Moore | 3 | son | — | Ohio |
| 59 | Ed. Jameson | 57 | Head | Laborer | Kentucky |
| 60 | Lucie D. Jameson | 62 | wife | — | Kentucky |
| 61 | Byron Holliday | 25 | Head | Slitter Operator | Ohio |
| 62 | Ruth Holliday | 33 | wife | — | Ohio |
| 63 | William B. Hayes THIS PERSON | 25 | Head | Carpenter | Ohio |
| 64 | Mary Ellen Hayes | 24 | wife | — | Ohio |
| 65 | John Oliver Hayes | 3 | son | — | Ohio |
| 66 | Carla Jane Hayes | 1 | daughter | — | Ohio |
| 67 | Grace Gaynor | 39 | Head | Counting & Sorting | West Virginia |
| 68 | Phyllis Gaynor | 20 | daughter | Roller | West Virginia |
| 69 | Kathryn Gaynor | 17 | daughter | — | West Virginia |
| 70 | Josephine Arbogast | 79 | mother | — | West Virginia |
| 71 | Carrie Netherly | 68 | Head | — | Kentucky |
| 72 | J. Elmer Gills | 10 | grandson | — | Ohio |
| 73 | Harrison Watts | 63 | Head | General Laborer | Kentucky |
| 74 | Mae Watts | 63 | wife | Maid | Georgia |
| 75 | Robert Watts | 8 | son | — | Ohio |
| 76 | Josephine Dennis | 68 | mother | — | Kentucky |
| 77 | Mary Elizabeth Bryant | 35 | sister | Cook | Kentucky |
| 78 | Stephen Chekil | 33 | Head | Laborer | Czechoslovakia |
| 79 | Anna Chekil | 26 | wife | — | Ohio |
| 80 | Stephen Jr. Chekil | 9 | son | — | Ohio |
Pedigree Summary
William
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)