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Mary Gillespie — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Butler, Ohio
Our Model Tree links this Mary Gillespie across the 1930 and 1940 US Censuses in Butler, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Butler, Ohio |
| Surname | Gillespie |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Hamilton City |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Gillespie | Son | — | 16 | ~1914 |
| Mary Gillespie | Daughter | — | 11 | ~1919 |
| Florence Gillespie | Spouse | — | 50 | ~1880 |
| William Gillespie | Son | — | 24 | ~1906 |
| Amos Gillespie | Head | — | 55 | ~1875 |
| James Gillespie | Son | — | 28 | ~1902 |
| George Gillespie | Son | — | 21 | ~1909 |
Census Appearances
1930
Butler, Ohio
Daughter, age 11
Butler, Ohio · implied b. ~1919 — 7 household members
| Surname | Gillespie |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Other, age 22
Butler-County, Ohio · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | Miley Katherine |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | C 4 |
| 1935 Residence | Ohio |
| 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 Mary Gillespie across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gillespie
Daughter · 1930 · age 11 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
John Gillespie
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gillespie
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gillespie
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Gillespie
Sibling · 1930 · age 21
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
1930 US Federal Census — Butler, Ohio
Open full size
1930 US Federal Census — Butler, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1753:1085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Landerman | 25 | Wife | Secretary | Ohio |
| 2 | Lester Sebastian | 53 | Head | Asst Supt | Indiana |
| 3 | Ford Sebastian | 19 | Son | Elect Service | Ohio |
| 4 | Elizabeth Sebastian | 15 | Daughter | — | Ohio |
| 5 | James Sebastian | 8 | Son | — | Ohio |
| 6 | Amos C. Gillespie | 55 | Head | Calendar Hand | Maryland |
| 7 | Florence M. Gillespie | 50 | Wife | Research Eng | Pennsylvania |
| 8 | James R. Gillespie | 28 | Son | — | Pennsylvania |
| 9 | William E. Gillespie | 24 | Son | Foreman | Pennsylvania |
| 10 | George Gillespie | 21 | Son | Operator | Pennsylvania |
| 11 | John C. Gillespie | 16 | Son | — | Ohio |
| 12 | Mary E. Gillespie THIS PERSON | 11 | Daughter | — | Ohio |
| 13 | Anna M. Schwartz | 52 | Head | Merchant | Ohio |
| 14 | Helen Schwartz | 27 | Daughter | — | Ohio |
| 15 | James Schwartz | 22 | Son | Butcher | Ohio |
| 16 | Robert Schwartz | 15 | Son | — | Ohio |
| 17 | Frank Schwartz | 13 | Son | — | Ohio |
| 18 | Alice S. Dory | 60 | Head | Teacher | Ohio |
| 19 | John C. Tyree | 56 | Head | Operator Washer | Virginia |
| 20 | Minnie B. Tyree | 57 | Wife | — | Virginia |
| 21 | Clarence G. Tyree | 28 | Son | Inspector | Virginia |
| 22 | Walter L. Charles | 50 | Head | Musician | Pennsylvania |
| 23 | Anna Charles | 50 | Wife | — | Ohio |
| 24 | Lloyd Mcgee | 34 | Head | Auto Salesman | Ohio |
| 25 | Ida Mcgee | 37 | Wife | — | Ohio |
| 26 | Alice Mcgee | 12 | Daughter | — | Indiana |
| 27 | Claude Mcgee | 11 | Son | — | Indiana |
| 28 | Dale Mcgee | 7 | Son | — | Ohio |
| 29 | Donald Mcgee | 7 | Son | — | Ohio |
| 30 | Stanley Conar | 25 | Head | Sheet Metal | Ohio |
| 31 | Edna Conar | 24 | Wife | Machine Hand | Ohio |
| 32 | Anne K. Schwab | 48 | Head | — | Ohio |
| 33 | Sue Schwab | 50 | Sister | Saleslady | Ohio |
| 34 | William Cahill | 40 | Head | Waiter | Ohio |
| 35 | Irene Cahill | 41 | Wife | — | Ohio |
| 36 | Ray L. Dunwoody | 28 | Head | Sheet Metal | Ohio |
| 37 | Rose Dunwoody | 26 | Wife | — | Ohio |
| 38 | Henry F. Boesch | 37 | Head | Merchant | Kentucky |
| 39 | Emma C. Boesch | 38 | Wife | — | Ohio |
| 40 | Edna Snedeman | 50 | Head | Presser | Indiana |
| 41 | Henry Sund | 71 | Head | Sandery Dept | Ohio |
| 42 | Margaret Sund | 71 | Wife | — | Ohio |
| 43 | Paul Harris | 32 | Head | Laborer | Kentucky |
| 44 | Ruby Harris | 35 | Sister | Dressmaker | Illinois |
| 45 | Lillian Harris | 63 | Mother | — | Kentucky |
| 46 | Grant Powers | 56 | Head | Laborer | Ohio |
| 47 | Katie Powers | 50 | Wife | — | New York |
| 48 | Elizabeth Powers | 27 | Daughter | Crocheter | Ohio |
| 49 | George Powers | 24 | Son | Inspector | Ohio |
| 50 | Frank Conrad | 53 | Head | Stove Builder | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)