JC
John Carney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this John Carney across the 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Carney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima |
| 1935 Residence (County) | Allen |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 6 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Springfield |
| Est. Birth Year | ~1928 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| James Carney | Head | — | 49 | ~1891 |
| John Carney | Son | — | 12 | ~1928 |
| Francis Carney | Son | — | 21 | ~1919 |
| Harold Carney | Son | — | 25 | ~1915 |
| Robert Carney | Son | — | 23 | ~1917 |
| Cecelia Carney | Spouse | — | 48 | ~1892 |
| Angela Carney | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Butler, Ohio
Other, age 1
Butler, Ohio · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carney |
| Given Name | John H |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Son, age 12
Clark-County, Ohio · implied b. ~1928 — 7 household members
| Surname | Carney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lima |
| 1935 Residence (County) | Allen |
| Industry | 0 |
| Highest Grade | 6 |
| 1935 Residence | Ohio |
| 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 Carney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Carney
Son · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Harold Carney
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Carney
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angela Carney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Carney
Sibling · 1940 · age 23
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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03039-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madeline Fitchman | 4 | Daughter | — | — |
| 42 | Paul Fitchman | 3 | Son | — | — |
| 43 | George Cassidy | 26 | Head | Press Hand | Ohio |
| 44 | Marjorie Cassidy | 22 | Wife | Stenographer | Ohio |
| 45 | Mary Graley | 53 | Mother in law | Salesman | Ohio |
| 46 | James Duffey | 57 | Head | Brakeman | Scotland |
| 47 | Mary Duffey | 49 | Wife | — | Ohio |
| 48 | John Duffey | 30 | Son | — | Ohio |
| 49 | Marguerite Dean | 32 | Daughter | Practical Nurse | Ohio |
| 50 | Eunice Dean | 4 | Granddaughter | — | — |
| 51 | Alfred French | 32 | Lodger | Floor Layer | New Jersey |
| 52 | John Ruben May | 55 | Head | Proprietor | Ohio |
| 53 | Maud May | 55 | Wife | — | Ohio |
| 54 | Charles Edward Lohr | 44 | Head | Credit Manager | Ohio |
| 55 | Nora Lohr | 44 | Wife | — | Ohio |
| 56 | Mary Alice Lohr | 16 | Daughter | — | Ohio |
| 57 | Elizabeth Lohr | 14 | Daughter | — | Ohio |
| 58 | Frances Lohr | 12 | Daughter | — | Ohio |
| 59 | Margaret Ann Lohr | 7 | Daughter | — | Ohio |
| 60 | Carl Rarickton | 50 | Head | Proprietor | Ohio |
| 61 | Alice Rarickton | 49 | Wife | Proprietress | Ohio |
| 62 | Bernard Rarickton | 20 | Son | Engraver | Ohio |
| 63 | Robert Rarickton | 15 | Son | — | Ohio |
| 64 | James Patrick Carney | 49 | Head | Tool And Die Maker | Ohio |
| 65 | Cecelia Carney | 48 | Wife | — | Ohio |
| 66 | Harold Carney | 25 | Son | Clerk | Ohio |
| 67 | Robert Carney | 23 | Son | Presser | Ohio |
| 68 | Francis Carney | 21 | Son | Clerk | Ohio |
| 69 | Angela Carney | 18 | Daughter | — | Ohio |
| 70 | John Carney THIS PERSON | 12 | Son | — | Ohio |
| 71 | George Steiner | 30 | Head | Milk Salesman | Ohio |
| 72 | Gladys Steiner | 32 | Wife | Stenographer | Ohio |
| 73 | Jerry Steiner | 9 | Son | — | Ohio |
| 74 | Barbara Steiner | 8 | Daughter | — | Ohio |
| 75 | Patrick F Sullivan | 68 | Head | Custodian | Ohio |
| 76 | Harold Ashley Stevens | 40 | Head | Florist | Ohio |
| 77 | Josephine Stevens | 38 | Wife | — | Ohio |
| 78 | De Roine L Stevens | 17 | Son | — | Ohio |
| 79 | La Vida Stevens | 15 | Daughter | — | Ohio |
| 80 | Daniel Harold Stevens | 13 | 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)