JH
James Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this James Hart across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Hart |
| Given Name | James Robt. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Hart | Daughter | — | 11 | ~1929 |
| Charles Hart | Head | — | 54 | ~1886 |
| James Hart | Son | — | 24 | ~1916 |
| Daniel Hart | Son | — | 20 | ~1920 |
| Bess Hart | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Hamilton, Ohio
Other, age 4
Hamilton, Ohio · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | James Robert |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 15
Hamilton, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 24
Hamilton-County, Ohio · implied b. ~1916 — 5 household members
| Surname | Hart |
| Given Name | James Robt. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Highest Grade | C 4 |
| 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 James Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Hart (~0.92 confidence) and father Chas Hart (~0.92 confidence) and mother Bess Hart (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Hart
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Chas Hart
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Bess Hart
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Hart
Son · 1940 · age 24 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Elizabeth Hart
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Hart
Sibling · 1940 · age 20
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03195-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Bishop | 51 | Head | Cashier | Illinois |
| 2 | Edith M. Bishop | 51 | Wife | — | Kentucky |
| 3 | Mary S. Bishop | 22 | Daughter | Check Off Clerk | Ohio |
| 4 | Carol Jeanette Bishop | 19 | Daughter | Clark | Ohio |
| 5 | Wm. Cook | 62 | Head | Appliance Repair | Kansas |
| 6 | Augusta K. Cook | 63 | Wife | Seamstress | Alabama |
| 7 | Edward Kohmescher | 53 | Brother-in-law | Machinist | Alabama |
| 8 | William Matz | 42 | Head | Electrician | Ohio |
| 9 | Emma L. Matz | 41 | Wife | — | Kentucky |
| 10 | Wilma Matz | 13 | Daughter | — | Ohio |
| 11 | Winton S. Hobson | 44 | Head | Post Off Clerk | Indiana |
| 12 | Florence Hobson | 31 | Wife | — | Indiana |
| 13 | David Hobson | 3 | Son | — | Ohio |
| 14 | Martha Hobson | 1 | Daughter | — | Ohio |
| 15 | Roy Hobson | 46 | Head | Copra Foreman | Indiana |
| 16 | Emma A. Hobson | 41 | Wife | — | Ohio |
| 17 | Charles Hart | 54 | Head | Secretary | Ohio |
| 18 | Bess May Hart | 52 | Wife | — | Ohio |
| 19 | James Robt. Hart THIS PERSON | 24 | Son | — | Ohio |
| 20 | Daniel Hart | 20 | Son | — | Ohio |
| 21 | Elizabeth Ann Hart | 11 | Daughter | — | Ohio |
| 22 | Frank Lensing | 88 | Head | — | Germany |
| 23 | Harry Lensing | 52 | Son | Asst Cashier | Ohio |
| 24 | Marie Lensing | 47 | Daughter | Tel. Operator | Ohio |
| 25 | Clara Lensing | 45 | Daughter | Machinist | Ohio |
| 26 | Kathryn Lensing | 43 | Daughter | Tel. Operator | Ohio |
| 27 | Tom Steinway | 40 | Head | Asst Warehouse Supt | Ohio |
| 28 | Helen V. Steinway | 37 | Wife | Instructor | New York |
| 29 | James Steinway | 13 | Son | — | Ohio |
| 30 | Alice Ann Steinway | 11 | Daughter | — | Ohio |
| 31 | Henry Hasel | 65 | Head | Florist | Ohio |
| 32 | Henrietta Hasel | 64 | Wife | — | Ohio |
| 33 | Herbert Hasel | 28 | Son | Truck Driver | Ohio |
| 34 | Catherine Hasel | 24 | Daughter | Packer | Ohio |
| 35 | Dorothea Hasel | 20 | Daughter | Piston Grinder | Ohio |
| 36 | Louisa Weber | 37 | Head | Photo Engraver | Ohio |
| 37 | Luella V. Weber | 32 | Wife | — | Ohio |
| 38 | Andrew Weber | 3 | Son | — | Ohio |
| 39 | Eric Weber | 1 | Son | — | Ohio |
Pedigree Summary
James + 2 siblings
Gen 1 · 3 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)