JO
John Ott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this John Ott across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Ott |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Ott | Son | — | 34 | ~1906 |
| Albert Ott | Son | — | 21 | ~1919 |
| Robert Ott | Son | — | 15 | ~1925 |
| Anna Ott | Spouse | — | 53 | ~1887 |
| Beatrice Ott | Daughter | — | 32 | ~1908 |
| Isabelle Ott | Daughter | — | 12 | ~1928 |
| Albert Ott | Head | — | 56 | ~1884 |
| Francis Ott | Son | — | 25 | ~1915 |
| John Ott | Son | — | 17 | ~1923 |
Census Appearances
1930
Erie, New …
Son, age 7
Erie, New York · implied b. ~1923 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ott |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, New …
Son, age 17
Erie-County, New York · implied b. ~1923 — 9 household members
| Surname | Ott |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 17 · b. ~1923 · New York
★ You are viewing this record
Sibling
Robert Ott
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Ott
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Ott
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Ott
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Ott
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Ott
Sibling · 1940 · age 34
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02837-00952)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arlene Beyersmore | 15 | Daughter | — | New York |
| 42 | Benjamin Oates | 50 | Head | — | England |
| 43 | Annie Oates | 51 | Wife | — | England |
| 44 | Viola Kopf | 69 | Head | — | Canada Eng |
| 45 | Lillian Kopf | 32 | Daughter | History Teacher | New York |
| 46 | Albert B Ott | 56 | Head | Guard | Pennsylvania |
| 47 | Anna Ott | 53 | Wife | — | England |
| 48 | Lawrence Ott | 34 | Son | Truck Driver | Pennsylvania |
| 49 | Beatrice Ott | 32 | Daughter | Operator | Pennsylvania |
| 50 | Francis Ott | 25 | Son | Laboratory Helper | Pennsylvania |
| 51 | Albert Jr. Ott | 21 | Son | Heater | Pennsylvania |
| 52 | John Ott THIS PERSON | 17 | Son | — | Pennsylvania |
| 53 | Robert Ott | 15 | Son | — | Pennsylvania |
| 54 | Isabelle Ott | 12 | Daughter | — | Pennsylvania |
| 55 | Julius Gock | 75 | Head | — | Germany |
| 56 | Norman Mayer | 62 | Head | Carpenter | Canada Eng |
| 57 | Rose Mayer | 62 | Wife | — | New York |
| 58 | Florence Mayer | 35 | Daughter | Factory Worker | New York |
| 59 | Pearl Mayer | 21 | Daughter | Threader | Canada Eng |
| 60 | Elizabeth Manning | 33 | Daughter | — | New York |
| 61 | Terry Manning | 3 | Grandson | — | New York |
| 62 | Donald Manning | 6 | Son | — | New York |
| 63 | Gerald Manning | 4 | Son | — | New York |
| 64 | August Weitzner | 68 | Head | Laborer | Germany |
| 65 | Jennie Weitzner | 64 | Wife | — | Germany |
| 66 | August Weitzner | 43 | Son | Foreman | Germany |
| 67 | Matilda Weitzner | 41 | Daughter | — | New York |
| 68 | Jennie Weitzner | 20 | Daughter | Servant | New York |
| 69 | Johanna Weitzner | 13 | Daughter | — | New York |
| 70 | Louise Weitzner | 12 | Daughter | — | New York |
| 71 | John Bervan | 63 | Head | Agent | Canada Eng |
| 72 | Winifred Bervan | 52 | Wife | — | Texas |
| 73 | Winifred Bervan | 15 | Daughter | — | New York |
| 74 | Janet Bervan | 13 | Daughter | — | New York |
| 75 | Elmer Jones | 40 | Head | Maintenance Man | New York |
| 76 | Bernice Jones | 44 | Wife | — | New York |
| 77 | Elmer Jr. Jones | 19 | Son | — | New York |
| 78 | Rita Jones | 21 | Daughter | Clerk | New York |
| 79 | William Edwards | 61 | Head | Time Crit. Storekeeper | New York |
| 80 | Hattie Edwards | 59 | Wife | — | New York |
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)