WG
William Gillespie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this William Gillespie across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Gillespie |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Middletown City |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marc Gillespie | Son | — | 10 | ~1930 |
| Laurine Gillespie | Daughter | — | 17 | ~1923 |
| Elva Gillespie | Spouse | — | 56 | ~1884 |
| William Gillespie | Head | — | 52 | ~1888 |
| William Gillespie | Son | — | 15 | ~1925 |
| Marilyn Gillespie | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Butler, Ohio
Son, age 5
Butler, Ohio · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | none |
| Mother Tongue | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Son, age 15
Butler-County, Ohio · implied b. ~1925 — 6 household members
| Surname | Gillespie |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Middletown City |
| 1935 Residence (County) | Butler |
| Highest Grade | H-1 |
| 1935 Residence | Same House |
| 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 Gillespie across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Gillespie
Son · 1940 · age 15 · b. ~1925 · Ohio
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Sibling
Marilyn Gillespie
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marc Gillespie
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laurine Gillespie
Sibling · 1940 · age 17
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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03034-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herbert A Proff | 28 | Head | Ambulance | Wisconsin |
| 42 | Mary Proff | 32 | Wife | Tobacco Worker | Ohio |
| 43 | Shirley Proff | 11 | Daughter | — | Ohio |
| 44 | Clarence Popp | 33 | Head | Meter Reader | Ohio |
| 45 | Louisa Popp | 30 | Wife | — | Ohio |
| 46 | Joan Popp | 10 | Daughter | — | Ohio |
| 47 | Carle Combs | 52 | Head | Mailman | Ohio |
| 48 | Lillian Combs | 53 | Wife | — | Ohio |
| 49 | Elmer Combs | 27 | Son | Clerk | Ohio |
| 50 | Mildred E. Combs | 25 | Daughter-in-law | — | Ohio |
| 51 | Sonia Combs | 2 | Granddaughter | — | Ohio |
| 52 | Gertrude Ketchem | 19 | Lodger | House Work | Illinois |
| 54 | Charles Bolton | 50 | Head | Finisher (Sheet Mill) | Ohio |
| 55 | Catherine Bolton | 48 | Wife | — | Indiana |
| 56 | Margaret Bolton | 25 | Daughter | Telephone Operator | Ohio |
| 57 | Virginia Bolton | 18 | Daughter | — | Ohio |
| 58 | Charles Bolton | 15 | Son | — | Ohio |
| 59 | Donald Bolton | 12 | Son | — | Ohio |
| 60 | Raymond Bolton | 47 | Head | — | Ohio |
| 61 | Frank Smith | 61 | Head | Mailman | Indiana |
| 62 | Ellen Smith | 61 | Wife | — | Virginia |
| 63 | John Morton | 31 | Head | Carpenter | Kentucky |
| 64 | Nora Morton | 24 | Wife | — | Kentucky |
| 65 | William Gillespie | 52 | Head | Finisher | Ohio |
| 66 | Elva Gillespie | 56 | Wife | — | Ohio |
| 67 | Marilyn Gillespie | 19 | Daughter | — | Ohio |
| 68 | Laurine Gillespie | 17 | Daughter | — | Ohio |
| 69 | William Gillespie THIS PERSON | 15 | Son | — | Ohio |
| 70 | Marc Gillespie | 10 | Son | — | Ohio |
| 71 | Herbert Bauer | 50 | Head | Carpenter | Ohio |
| 72 | Elizabeth Bauer | 47 | Wife | Saleswoman | Ohio |
| 73 | Leroy Bauer | 22 | Son | Laboratory Assistant | Ohio |
| 74 | Elva Bauer | 21 | Daughter | — | Ohio |
| 75 | Everett Henry | 25 | Son-in-law | Shearman | Kentucky |
| 76 | Helen Henry | 19 | Daughter | — | Ohio |
| 77 | Everett Henry | 2 | Grandson | — | Ohio |
| 78 | Lovell Hanthorne | 45 | Head | Storekeeper | Ohio |
| 79 | Anna Hanthorne | 42 | Wife | — | Kentucky |
| 80 | Robert Hanthorne | 14 | Son | — | Ohio |
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)