JH
Joseph Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Joseph Hart across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Marie Hart | Spouse | — | 43 | ~1897 |
| James Hart | Son | — | 12 | ~1928 |
| William Hart | Son | — | 18 | ~1922 |
| Mary Hart | Daughter | — | 21 | ~1919 |
| Joseph Hart | Son | — | 15 | ~1925 |
| William Hart | Head | — | 44 | ~1896 |
| Elizabeth Hart | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Cuyahoga, Ohio
Son, age 5
Cuyahoga, Ohio · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 15
Cuyahoga-County, Ohio · implied b. ~1925 — 7 household members
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 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 Joseph Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Hart
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Mary Hart
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hart
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hart
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hart
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03238-00553)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Rannaka | 1 | Son | — | Ohio |
| 2 | Robert Plavic | 9 | Lodger | — | Ohio |
| 3 | Joseph Reidinger | 34 | Head | Shipping Clerk | Ohio |
| 4 | Ann Reidinger | 30 | Wife | — | Ohio |
| 5 | John M. Mcdowell | 34 | Head | Substation Operator | Ohio |
| 6 | Margaret Mcdowell | 30 | Wife | — | Ohio |
| 7 | Lila J. Dahler | 49 | Mother | Beautician | Ohio |
| 8 | Deliah Post | 24 | Sister | Salesman | Ohio |
| 9 | John Lang | 32 | Head | Binding Cutter | Ohio |
| 10 | Gladys N. Lang | 32 | Wife | — | Ohio |
| 11 | Carol A. Lang | 1 | Daughter | — | Ohio |
| 12 | Robert Adelstein | 30 | Head | Salesman | Missouri |
| 13 | Lucille Adelstein | 32 | Wife | — | Missouri |
| 14 | William Hart | 44 | Head | Lawyer | Ohio |
| 15 | Marie Hart | 43 | Wife | Secretary | Ohio |
| 16 | Mary Hart | 21 | Daughter | — | Ohio |
| 17 | William Hart | 18 | Son | — | Ohio |
| 18 | Elizabeth Hart | 17 | Daughter | — | Ohio |
| 19 | Joseph Hart THIS PERSON | 15 | Son | — | Ohio |
| 20 | James Hart | 12 | Son | — | Ohio |
| 21 | Edward A. Freeman | 45 | Head | Clerkman | Ohio |
| 22 | Frances Freeman | 44 | Wife | — | Ohio |
| 23 | Allayne Freeman | 16 | Daughter | — | Ohio |
| 24 | Joan M. Freeman | 14 | Daughter | — | Ohio |
| 25 | Alvin E. Pieter | 36 | Head | Truck Driver | Ohio |
| 26 | Margaret T. Pieter | 34 | Wife | — | Ohio |
| 27 | Herbert White | 35 | Head | Printer | Ohio |
| 28 | Edith White | 35 | Wife | — | New York |
| 29 | Frank White | 9 | Son | — | Ohio |
| 30 | Jackline White | 5 | Daughter | — | Ohio |
| 31 | James White | 2 | Son | — | Ohio |
| 32 | Block (Ends | 46 | 47 | — | — |
| 33 | George D. Kocur | 28 | Head | Copper Shop | Iowa |
| 34 | Vera R. Kocur | 28 | Wife | — | Austria |
| 35 | George Jr. Kocur | 4 | Son | — | Ohio |
| 36 | John Kocur | 2 | Son | — | Ohio |
| 37 | Frank Patterson | 40 | Head | Steam Ship Fireman | Ohio |
| 38 | Esther Patterson | 39 | Wife | — | Ohio |
| 39 | Frank Jr. Patterson | 10 | Son | — | Ohio |
| 40 | Milo J. Heller | 45 | Head | Watchmaker | 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)