JK
John Kuhn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Seneca-County, Ohio
Our Model Tree links this John Kuhn across the 1930 and 1940 US Censuses in Seneca-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Seneca-County, Ohio |
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Additional Details | |
| Highest Grade | E 7 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Tiffin |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Joan Kuhn | Daughter | — | 12 | ~1928 |
| Henry Kuhn | Son | — | 19 | ~1921 |
| Mary Kuhn | Daughter | — | 17 | ~1923 |
| John Kuhn | Son | — | 15 | ~1925 |
| Henry Kuhn | Head | — | 49 | ~1891 |
| Marcella Kuhn | Daughter | — | 18 | ~1922 |
| Mabel Kuhn | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Seneca, Ohio
Son, age 5
Seneca, Ohio · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Seneca-County, Ohio
Son, age 15
Seneca-County, Ohio · implied b. ~1925 — 7 household members
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Highest Grade | E 7 |
| 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 Kuhn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kuhn
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Marcella Kuhn
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kuhn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Kuhn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Kuhn
Sibling · 1940 · age 19
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 — Seneca-County, Ohio
Open full size
1940 US Federal Census — Seneca-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03145-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugene Victor Elehert|Elebert | 25 | Head | Clerk | Ohio |
| 42 | Mary Louise Elehert|Elebert | 22 | Wife | — | Ohio |
| 43 | Gregory A. Elehert|Elebert | 3 | Son | — | Ohio |
| 44 | Roselie A. Elehert|Elebert | 1 | Daughter | — | Ohio |
| 45 | Paul Whealen | 24 | Head | Laborer | Ohio |
| 46 | Beverly R. Whealen | 23 | Wife | — | Ohio |
| 47 | Loretta Whealen | 2 | Daughter | — | Ohio |
| 48 | Thos. Hartzel | 64 | Head | Pipe Repairing | Ohio |
| 49 | Roselie A. Hartzel | 55 | Wife | Laundress | Ohio |
| 50 | Robert Hartzel | 18 | Son | Draying Service | Ohio |
| 51 | Ellen Rose Hartzel | 15 | Daughter | — | Ohio |
| 52 | Virginia Marie Hartzel | 12 | Daughter | — | Ohio |
| 53 | G. W. Nye | 78 | Head | — | Ohio |
| 54 | Minnie Nye | 70 | Wife | — | Ohio |
| 55 | Nellie Nye | 49 | Daughter | Nursing | Ohio |
| 56 | Earl G. Runion | 32 | Head | Laborer | Virginia |
| 57 | Mary Runion | 72 | Mother | — | Virginia |
| 58 | Wm. Heffner | 52 | Head | Molder Asst. | Ohio |
| 59 | Hazel D. Heffner | 45 | Wife | — | Ohio |
| 60 | Herbert E. Rinesmith | 39 | Head | Engineer | Ohio |
| 61 | Celia A. Rinesmith | 31 | Wife | — | Ohio |
| 62 | Herbert Jr. Rinesmith | 11 | Son | — | Ohio |
| 63 | Kenneth Rinesmith | 9 | Son | — | Ohio |
| 64 | Richard Rinesmith | 6 | Son | — | Ohio |
| 65 | Elizabeth Ann Rinesmith | 2 | Daughter | — | Ohio |
| 66 | Ronald Rinesmith | 2 | Son | — | Ohio |
| 67 | J. J. Ward | 53 | Head | Telegraph Operator | Ohio |
| 68 | Ollie A. Ward | 46 | Wife | — | Ohio |
| 69 | Irvin Ward | 26 | Son | Truck Driver | Ohio |
| 70 | Robert Lascellette | 44 | Head | Laborer | Penn. |
| 71 | Henry N. Kuhn | 49 | Head | Laborer | Ohio |
| 72 | Mabel A. Kuhn | 40 | Wife | — | Ohio |
| 73 | Henry N. Jr. Kuhn | 19 | Son | Laborer | Ohio |
| 74 | Marcella Kuhn | 18 | Daughter | — | Ohio |
| 75 | Mary Agnes Kuhn | 17 | Daughter | — | Ohio |
| 76 | John Kuhn THIS PERSON | 15 | Son | — | Ohio |
| 77 | Joan Kuhn | 12 | Daughter | — | Ohio |
| 78 | J. N. Hohman | 33 | Head | Detailer | Ohio |
| 79 | Margaret Hohman | 24 | Wife | — | Ohio |
| 80 | Marjorie Hohman | 9 | Daughter | — | 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)