JJ
John Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this John Jennings across the 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 20-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Jennings |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus |
| Est. Birth Year | ~1927 |
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.
20 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Corban | Daughter | — | 16 | ~1924 |
| Janet Deisler | Daughter | — | 17 | ~1923 |
| Joann Jennings | Daughter | — | 11 | ~1929 |
| Julia Deisler | Daughter | — | 20 | ~1920 |
| Betty Jolley | Daughter | — | 21 | ~1919 |
| Carol Tracy | Daughter | — | 6 | ~1934 |
| William Kretschmer | Head | — | 25 | ~1915 |
| Margaret Laing | Other | — | 83 | ~1857 |
| Archie Robbins | Other | — | 19 | ~1921 |
| Helen Fitz | Other | — | 24 | ~1916 |
| William Jenney | Son | — | 18 | ~1922 |
| Kenneth Jennings | Son | — | 16 | ~1924 |
| George Fleshman | Son | — | ~1940 | |
| Allan Williams | Son | — | 31 | ~1909 |
| Theodore Jenney | Son | — | 14 | ~1926 |
| Wallace Corban | Son | — | 20 | ~1920 |
| John Jenney | Son | — | 6 | ~1934 |
| John Jennings | Son | — | 13 | ~1927 |
| Roy Harding | Son | — | 21 | ~1919 |
| Vera Kretschmer | Spouse | — | 22 | ~1918 |
Census Appearances
1930
Franklin, Ohio
Son, age 3
Franklin, Ohio · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 13
Franklin-County, Ohio · implied b. ~1927 — 20 household members
| Surname | Jennings |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Highest Grade | S 5 |
| 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 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 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Marjorie Corban
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jenney
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allan Williams
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Tracy
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Jennings
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Jolley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Deisler
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Harding
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Corban
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Jenney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Deisler
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jenney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Fleshman
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joann Jennings
Sibling · 1940 · age 11
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-03250-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Roger Macleod | 16 | Son of Head | — | Ohio |
| 3 | Lowell Macleod | 14 | Son of Head | — | Ohio |
| 5 | Joseph Boyce | 22 | Head | Store Auditor | Ohio |
| 6 | Belva Boyce | 43 | Mother | — | Kentucky |
| 8 | Mary Hennessey | 6 | Daughter | — | Ohio |
| 9 | James Williamson | 72 | Head | Contractor | Scotland |
| 10 | Amelia Williamson | 68 | Wife | — | Wales |
| 12 | William F. Marshall | 29 | Son | Examiner | Ohio |
| 13 | James Thomas | 1 | Son | — | Ohio |
| 14 | Alice Tietjens | 16 | Sister-in-law | — | Connecticut |
| 15 | Michael A. Cram | 1 | Son | — | Ohio |
| 16 | William Kretschmer | 25 | Head | Appraisal Engineer | New York |
| 17 | Vera Kretschmer | 22 | Wife | Stenographer | Pennsylvania |
| 18 | Archie Robbins | 19 | Nephew | Stockroom Clerk | Ohio |
| 20 | Julia L. Deisler | 20 | Daughter | — | Ohio |
| 21 | Janet Deisler | 17 | Daughter | — | Ohio |
| 23 | Kenneth Jennings | 16 | Son | — | Ohio |
| 24 | John F. Jennings THIS PERSON | 13 | Son | — | Ohio |
| 25 | Joann Jennings | 11 | Daughter | — | Ohio |
| 26 | Margaret Laing | 83 | Mother-in-law | — | Scotland |
| 27 | Helen E. Fitz | 24 | Lodger | Stenographer | Ohio |
| 28 | Betty Jane Jolley | 21 | Daughter | Ass'T Bookkeeper | Ohio |
| 29 | Allan O. Williams | 31 | Son | Clerk-Typist | Indiana |
| 30 | Roy G. Jr. Harding | 21 | Son | Presser | Ohio |
| 32 | Wallace Corban | 20 | Son | — | Ohio |
| 33 | Marjorie Corban | 16 | Daughter | — | Ohio |
| 34 | William Jenney | 18 | Son | — | Ohio |
| 35 | Theodore, Jr. Jenney | 14 | Son | — | Ohio |
| 36 | John Jenney | 6 | Son | — | Ohio |
| 37 | Carol Sue Tracy | 6 | Daughter | — | Ohio |
| 39 | George Fleshman | 0 | Son | — | 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)