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John Ott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wood-County, Ohio
Our Model Tree links this John Ott across the 1930 and 1940 US Censuses in Wood-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wood-County, Ohio |
| Surname | Ott |
| Given Name | John D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Wood |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Carl Ott | Son | — | 7 | ~1933 |
| Martha Ott | Daughter | — | 12 | ~1928 |
| Robert Ott | Son | — | 5 | ~1935 |
| Mary Ott | Daughter | — | 10 | ~1930 |
| John Ott | Son | — | 14 | ~1926 |
| Delbert Ott | Son | — | 15 | ~1925 |
| Mary Ott | Spouse | — | 36 | ~1904 |
| John Ott | Head | — | 46 | ~1894 |
Census Appearances
1930
Wood, Ohio
Son, age 4
Wood, Ohio · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ott |
| Given Name | Joe Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Wood-County, Ohio
Son, age 14
Wood-County, Ohio · implied b. ~1926 — 8 household members
| Surname | Ott |
| Given Name | John D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Wood |
| Highest Grade | 6 |
| 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 Ott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Ott
Son · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Mary Ott
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Ott
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Ott
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Ott
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Ott
Sibling · 1940 · age 12
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 — Wood-County, Ohio
Open full size
1940 US Federal Census — Wood-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03171-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert J. Hahn | 50 | Head | Farmer | Ohio |
| 2 | Henrietta B. Hahn | 48 | Wife | — | Ohio |
| 3 | Robert O. Reinart | 22 | Son-in-law | Machinist | Ohio |
| 4 | Doris A. Reinart | 21 | Daughter | — | Ohio |
| 5 | Ed Smith | 75 | Head | — | Ohio |
| 6 | Lucy Smith | 68 | Wife | — | Ohio |
| 7 | — | None | — | — | — |
| 8 | — | None | — | — | — |
| 9 | Owen Spathulf | 38 | Head | Mechanic | Ohio |
| 10 | Maud Spathulf | 38 | Wife | — | Ohio |
| 11 | Milton Spathulf | 5 | Son | — | Ohio |
| 12 | Miriam Spathulf | 2 | Daughter | — | Ohio |
| 13 | John J. Creps | 48 | Head | Farmer | Ohio |
| 14 | Ruth M. Creps | 45 | Wife | — | Ohio |
| 15 | Donald W. Creps | 25 | Son | Farmer | Ohio |
| 16 | Herbert R. Creps | 22 | Son | Farmer | Ohio |
| 17 | Robert B. Creps | 17 | Son | — | Ohio |
| 18 | Doris Mae Creps | 14 | Daughter | — | Ohio |
| 19 | Rolland John Creps | 12 | Son | — | Ohio |
| 20 | Merlin E. Creps | 10 | Son | — | Ohio |
| 21 | Vernon Leroy Creps | 9 | Son | — | Ohio |
| 22 | Andrew C. Creps | 58 | Head | Laborer | Ohio |
| 23 | Charles F. Creps | 52 | Brother | Laborer | Ohio |
| 24 | Mary Creps | 88 | Mother | — | Ohio |
| 25 | John J. Ott | 46 | Head | Electrician Engineer | Ohio |
| 26 | Mary J. Ott | 36 | Wife | — | Ohio |
| 27 | Delbert J. Ott | 15 | Son | — | Ohio |
| 28 | John D. Jr. Ott THIS PERSON | 14 | Son | — | Ohio |
| 29 | Martha J. Ott | 12 | Daughter | — | Ohio |
| 30 | Mary Angela Ott | 10 | Daughter | — | Ohio |
| 31 | Carl Francis Ott | 7 | Son | — | Ohio |
| 32 | Robert Lawrence Ott | 5 | Son | — | Ohio |
| 33 | Allan J. Park | 54 | Head | Farmer | Nebraska |
| 34 | Katie M. Park | 50 | Wife | — | Ohio |
| 35 | Lillian Sabin | 80 | Mother-in-law | — | Ohio |
| 36 | Herschel G. Vollmar | 39 | Head | Farm Laborer | Ohio |
| 37 | Edna Vollmar | 32 | Wife | — | Ohio |
| 38 | Helen Vollmar | 11 | Daughter | — | Ohio |
| 39 | Merland Vollmar | 10 | Son | — | Ohio |
| 40 | John Vollmar | 8 | 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)