JO
John Ott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this John Ott across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 7-person household.
Age 62
b. ~1878
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Ott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Elder Township |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Elder Township |
| Est. Birth Year | ~1878 |
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 |
|---|---|---|---|---|
| Isabelle Ott | Spouse | — | 59 | ~1881 |
| Daniel Ott | Son | — | 13 | ~1927 |
| Joseph Ott | Son | — | 19 | ~1921 |
| Robert Ott | Son | — | 17 | ~1923 |
| John Ott | Head | — | 62 | ~1878 |
| James Ott | Son | — | 15 | ~1925 |
| John Ott | Son | — | 21 | ~1919 |
Census Appearances
1930
Cambria, Pennsylvania
Head, age 49
Cambria, Pennsylvania · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ott |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 48 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Head, age 62
Cambria-County, Pennsylvania · implied b. ~1878 — 7 household members
| Surname | Ott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Elder Township |
| 1935 Residence (County) | Cambria |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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
Head · 1940 · age 62 · b. ~1878 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03453-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Bobby | 16 | Daughter | — | Pennsylvania |
| 42 | Michael Bobby | 14 | Son | — | Pennsylvania |
| 43 | Elizabeth Bobby | 11 | Daughter | — | Pennsylvania |
| 44 | Albert Bobby | 5 | Son | — | Pennsylvania |
| 45 | Michal Slovick | 31 | Head | Miner | Pennsylvania |
| 46 | Marie Slovick | 28 | Wife | — | Pennsylvania |
| 47 | Rose Marie Slovick | 5 | Daughter | — | Pennsylvania |
| 48 | John Albert Slovick | 2 | Son | — | Pennsylvania |
| 49 | John Ott THIS PERSON | 62 | Head | Farmer | Pennsylvania |
| 50 | Isabelle Ott | 59 | Wife | — | Pennsylvania |
| 51 | John Jr. Ott | 21 | Son | Clerk | Pennsylvania |
| 52 | Joseph Ott | 19 | Son | New Worker | Pennsylvania |
| 53 | Robert Ott | 17 | Son | — | Pennsylvania |
| 54 | James Ott | 15 | Son | — | Pennsylvania |
| 55 | Daniel Ott | 13 | Son | — | Pennsylvania |
| 56 | Carl Ott | 39 | Head | Forestry Dept. | Pennsylvania |
| 57 | Helen Ott | 44 | Wife | — | Pennsylvania |
| 58 | Mary Ott | 8 | Daughter | — | Pennsylvania |
| 59 | Edward Ott | 6 | Son | — | Pennsylvania |
| 60 | Kevin Ott | 5 | Son | — | Pennsylvania |
| 61 | Mary Yoradimac | 67 | Head | — | Austria |
| 62 | Nick Yoradimac | 61 | Brother | — | Austria |
| 63 | Anna Marinen | 53 | Head | — | Czechoslovakia |
| 64 | Joseph Marinen | 20 | Son | New Worker | Pennsylvania |
| 65 | Steve Marinen | 18 | Son | New Worker | Pennsylvania |
| 66 | Margaret Marinen | 14 | Daughter | — | Pennsylvania |
| 67 | Elizabeth Marinen | 11 | Daughter | — | Pennsylvania |
| 68 | Mary Martin | 62 | Head | — | Czechoslovakia |
| 69 | John Martin | 22 | Son | Miner | Pennsylvania |
| 70 | Andy Martin | 19 | Son | New Worker | Pennsylvania |
| 71 | Costa Wransky | 62 | Head | — | Russia |
| 72 | Sophia Wransky | 18 | Daughter | — | Pennsylvania |
| 73 | James Wransky | 3 | Grandson | — | Pennsylvania |
| 74 | John B. Tomalis | 63 | Head | Miner | Poland |
| 75 | Mary Tomalis | 53 | Wife | — | Hungary |
| 76 | Margaret Tomalis | 22 | Daughter | Seamstress | Pennsylvania |
| 77 | Frank Tomalis | 20 | Son | Miner | Pennsylvania |
| 78 | Leon Tomalis | 16 | Son | — | Pennsylvania |
| 79 | Josephine Tomalis | 15 | Daughter | — | Pennsylvania |
| 80 | Susie Tomalis | 12 | Daughter | — | Pennsylvania |
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)