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John Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Jennings across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Jennings |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Jennings | Daughter | — | 23 | ~1917 |
| Blanche Jennings | Daughter | — | 24 | ~1916 |
| Robert Jennings | Head | — | 52 | ~1888 |
| Thomas Jennings | Son | — | 18 | ~1922 |
| Richard Jennings | Son | — | 15 | ~1925 |
| Raymond Jennings | Son | — | 15 | ~1925 |
| James Jennings | Son | — | 6 | ~1934 |
| Robert Jennings | Son | — | 21 | ~1919 |
| John Jennings | Son | — | 19 | ~1921 |
| Joseph Jennings | Son | — | 9 | ~1931 |
| Anna Jennings | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Hamilton, Ohio
Son, age 8
Hamilton, Ohio · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 19
Hamilton-County, Ohio · implied b. ~1921 — 11 household members
| Surname | Jennings |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Highest Grade | H 4 |
| 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 John Jennings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Jennings
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
Blanche Jennings
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Jennings
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jennings
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Jennings
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Jennings
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jennings
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jennings
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Jennings
Sibling · 1940 · age 9
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
40 people indexed on this census page (nara:1940:m-t0627-03199-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Houlehan | 72 | Father in law | Pressman | England |
| 2 | Eugene H. Canning | 47 | Head | Salesman | Ohio |
| 3 | Anna D. Canning | 45 | Wife | — | Ohio |
| 4 | Eugene Jr. Canning | 10 | Daughter | — | Ohio |
| 5 | James Bennett | 61 | Head | Motorman | Indiana |
| 6 | Minnie B. Bennett | 59 | Wife | — | Indiana |
| 7 | Floyd H. Kelley | 40 | Head | Agent | Ohio |
| 8 | Marguerite Kelley | 39 | Wife | — | Ohio |
| 9 | Albert S. Borrang | 71 | Head | Secretary | New York |
| 10 | Mary Borrang | 69 | Wife | — | Ohio |
| 11 | — | None | — | — | — |
| 12 | Robert Jennings | 52 | Head | Clerk | Ohio |
| 13 | Anna D. Jennings | 49 | Wife | — | Ohio |
| 14 | Blanche Jennings | 24 | Daughter | Cashier | Ohio |
| 15 | Mary Jennings | 23 | Daughter | Housework | Ohio |
| 16 | Robert Jennings | 21 | Son | Machinist Apprentice | Ohio |
| 17 | John Jennings THIS PERSON | 19 | Son | — | Ohio |
| 18 | Thomas Jennings | 18 | Son | — | Ohio |
| 19 | Richard Jennings | 15 | Son | — | Ohio |
| 20 | Raymond Jennings | 15 | Son | — | Ohio |
| 21 | Joseph Jennings | 9 | Son | — | Ohio |
| 22 | James Jennings | 6 | Son | — | Ohio |
| 23 | Katherine Schimpf | 72 | Head | — | Ohio |
| 24 | William Schimpf | 38 | Son | Lathe Hand | Ohio |
| 25 | Catherine Schimpf | 29 | Daughter | — | Ohio |
| 26 | Joseph Heim | 46 | Head | Pattern Maker | France |
| 27 | Alma D. Heim | 46 | Wife | — | Ohio |
| 28 | Lawrence Heim | 18 | Son | — | Ohio |
| 29 | Earl Heim | 16 | Son | — | Ohio |
| 30 | Oscar Booley | 37 | Head | Candy Maker | Indiana |
| 31 | Flossie Booley | 35 | Wife | — | Tennessee |
| 32 | Gwendolyn Booley | 12 | Daughter | — | Ohio |
| 33 | Yvonne Booley | 6 | Daughter | — | Ohio |
| 34 | Orville Ellis | 32 | Head | Laborer | Kentucky |
| 35 | May Ellis | 31 | Wife | — | Kentucky |
| 36 | Donald Ellis | 7 | Son | — | Kentucky |
| 37 | Carl Ellis | 1 | Son | — | Ohio |
| 38 | Ray Leede | 35 | Head | Candy Maker | Ohio |
| 39 | Ola Leede | 33 | Wife | — | Kentucky |
| 40 | Albert Leede | 12 | Son | — | Ohio |
Related Census Records
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)