JC
John Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allen-County, Ohio
Our Model Tree links this John Cochran across the 1920, 1930 and 1940 US Censuses in Allen-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allen-County, Ohio |
| Surname | Cochran |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima City |
| 1935 Residence (County) | Allen |
| Additional Details | |
| Occupation | Telegrapher |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1940 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Telegrapher |
| Township / Ward | Lima City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cochran | Head | — | 55 | ~1885 |
| V Cochran | Son | — | 24 | ~1916 |
| Mercy Cochran | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Allen, Ohio
Head, age 35
Allen, Ohio · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Operator |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Allen, Ohio
Head, age 46
Allen, Ohio · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Operator |
| Industry | Telegraph |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3200 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Allen-County, Ohio
Head, age 55
Allen-County, Ohio · implied b. ~1885 — 3 household members
| Surname | Cochran |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima City |
| 1935 Residence (County) | Allen |
| Occupation | Telegrapher |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1940 |
| 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 Cochran across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cochran
Head · 1940 · age 55 · b. ~1885 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allen-County, Ohio
Open full size
1940 US Federal Census — Allen-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03020-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Opale Williams | 38 | Wife | — | Ohio |
| 2 | Mildred Williams | 16 | Daughter | — | Ohio |
| 3 | John Williams | 14 | Son | — | Ohio |
| 4 | Joe Williams | 9 | Son | — | Ohio |
| 5 | John J. Manley | 45 | Head | Traveling Salesman | Ohio |
| 6 | Nellie Manley | 45 | Wife | — | Ohio |
| 7 | Dorothy M. Manley | 24 | Daughter | Registered Nurse | Ohio |
| 8 | Etta Meffley | 70 | Head | — | Ohio |
| 9 | Shelby Meffley | 38 | Son | Office Accountant | Ohio |
| 10 | Robert C. King | 44 | Head | Office Accountant | Ohio |
| 11 | Reatha M. King | 40 | Wife | — | Ohio |
| 12 | M. Janet King | 15 | Daughter | — | Ohio |
| 13 | R. Joan King | 13 | Daughter | — | Ohio |
| 14 | Clara Belle Means | 22 | Lodger | Cashier | Ohio |
| 15 | Amanda Imhoff | 52 | Head | — | Ohio |
| 16 | Juliet Imhoff | 25 | Daughter | Stenographer | Ohio |
| 17 | Elmer Imhoff | 24 | Son | Sheet Metal Worker | Ohio |
| 18 | Edna Imhoff | 18 | Daughter | Clerk | Ohio |
| 19 | Mildred Imhoff | 15 | Daughter | — | Ohio |
| 20 | Harry O. King | 61 | Head | Controlman | Ohio |
| 21 | Ellen C. King | 59 | Wife | — | Ohio |
| 22 | Irene King | 37 | Daughter | Stenographer | Ohio |
| 23 | Edgar Meffley | 43 | Head | Office Clerk | Ohio |
| 24 | Alice Meffley | 38 | Wife | — | Indiana |
| 25 | Richard Meffley | 19 | Son | Architectural Draftsman | Ohio |
| 26 | James Meffley | 19 | Son | Optician | Ohio |
| 27 | Robert Meffley | 17 | Son | Newsboy | Ohio |
| 28 | Dale Meffley | 15 | Son | Newsboy | Ohio |
| 29 | John Meffley | 13 | Son | — | Ohio |
| 30 | — | None | — | — | — |
| 31 | Weldon Winegardner | 35 | Head | Proprietor Filling Station | Ohio |
| 32 | Juanita Winegardner | 33 | Wife | — | Ohio |
| 33 | Patricia Winegardner | 5 | Daughter | — | Ohio |
| 34 | Catherine Winegardner | 2 | Daughter | — | Ohio |
| 35 | John R. Cochran THIS PERSON | 55 | Head | Telegrapher | Ohio |
| 36 | Mercy M. Cochran | 49 | Wife | — | Ohio |
| 37 | V. Allen Cochran | 24 | Son | Stenciler | Ohio |
| 38 | Francis M. Ammon | 44 | Head | Advertising Display Department | Oklahoma |
| 39 | Mildred E. Ammon | 42 | Wife | — | Montana |
| 40 | Francis M. Jr. Ammon | 19 | Son | New Worker | Montana |
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)