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Frank Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Frank Hart across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 9-person household.
Age 45
b. ~1895
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Hart |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Madison Twp |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Plumbing |
| Industry | Retail plumbing shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2524 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Plumbing |
| Township / Ward | Madison Twp |
| Est. Birth Year | ~1895 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Eldon Hart | Son | — | 15 | ~1925 |
| Clara Hart | Spouse | — | 37 | ~1903 |
| Mary Hart | Daughter | — | 2 | ~1938 |
| John Hart | Son | — | 11 | ~1929 |
| Clara Hart | Daughter | — | 16 | ~1924 |
| Robert Hart | Son | — | 8 | ~1932 |
| Frank Hart | Head | — | 45 | ~1895 |
| Selena Hart | Daughter | — | 13 | ~1927 |
| Catherine Hart | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Montgomery, Ohio
Head, age 35
Montgomery, Ohio · implied b. ~1895
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Hart |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Plumber |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 45
Montgomery-County, Ohio · implied b. ~1895 — 9 household members
| Surname | Hart |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Madison Twp |
| 1935 Residence (County) | Montgomery |
| Occupation | Plumbing |
| Industry | Retail plumbing shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2524 |
| Highest Grade | No 8 |
| 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 Frank Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Hart
Head · 1940 · age 45 · b. ~1895 · Ohio
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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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03119-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lydia | 74 | Mother-in-law | — | Ohio |
| 2 | Harold Brush | 28 | Head | Assembler | Ohio |
| 3 | Ann Brush | 30 | Wife | — | Ohio |
| 4 | Bobby Brush | 5 | Son | — | Ohio |
| 5 | Thomas Brush | 2 | Son | — | Ohio |
| 6 | Betty Brush | 1 | Daughter | — | Ohio |
| 7 | Guy | 52 | Boarder | Inspector | Ohio |
| 8 | Wilbur Smith | 40 | Head | Farmer | Ohio |
| 9 | Martha Smith | 42 | Wife | — | Ohio |
| 10 | Paul Smith | 9 | Son | — | Ohio |
| 11 | Dorothy Smith | 8 | Daughter | — | Ohio |
| 12 | Gene Smith | 5 | Son | — | Ohio |
| 13 | Frank Hart THIS PERSON | 45 | Head | Plumbing | Ohio |
| 14 | Clara Hart | 37 | Wife | — | Ohio |
| 15 | Clara Hart | 16 | Daughter | — | Ohio |
| 16 | Eldon Hart | 15 | Son | — | Ohio |
| 17 | Selena Hart | 13 | Daughter | — | Ohio |
| 18 | John Hart | 11 | Son | — | Ohio |
| 19 | Robert Hart | 8 | Son | — | Ohio |
| 20 | Catherine Hart | 5 | Daughter | — | Ohio |
| 21 | Mary Hart | 2 | Daughter | — | Ohio |
| 22 | Simon Dieter | 82 | Head | — | Ohio |
| 23 | Sarah Dieter | 78 | Wife | — | Ohio |
| 24 | Willard Schaffer | 41 | Head | Silver Solder | Ohio |
| 25 | Mary Schaffer | 38 | Wife | — | Ohio |
| 26 | Miriam Schaffer | 20 | Daughter | Inspector | Ohio |
| 27 | Doris Schaffer | 16 | Daughter | — | Ohio |
| 28 | Norma Schaffer | 12 | Daughter | — | Ohio |
| 29 | Phyllis Schaffer | 10 | Daughter | — | Ohio |
| 30 | Willard Schaffer | 7 | Son | — | Ohio |
| 31 | Virgil Harlow | 48 | Head | Milling | Ohio |
| 32 | Mae Harlow | 47 | Wife | — | Ohio |
| 33 | Delores Harlow | 10 | Daughter | — | Ohio |
| 34 | Frank Haley | 29 | Head | Pressman | Ohio |
| 35 | Margaret Haley | 25 | Wife | — | Ohio |
| 36 | Jerry Haley | 6 | Son | — | Ohio |
| 37 | Margaret Haley | 4 | Daughter | — | Ohio |
| 38 | Mary Haley | 2 | Daughter | — | Ohio |
| 39 | Michael Haley | 1 | Son | — | Ohio |
| 40 | Roscoe Filbrun | 37 | Head | Farmer | 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)