MK
Mary Kuhn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this Mary Kuhn across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Female
Spouse
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Niles City |
| 1935 Residence (County) | Trumbull |
| Naturalization Status | Alien |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | Niles City |
| Est. Birth Year | ~1897 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Irene Kuhn | Daughter | — | 10 | ~1930 |
| Michael Kuhn | Son | — | 12 | ~1928 |
| Joseph Kuhn | Son | — | 9 | ~1931 |
| Mary Kuhn | Spouse | — | 43 | ~1897 |
| Betty Kuhn | Daughter | — | 18 | ~1922 |
| Helen Kuhn | Daughter | — | 16 | ~1924 |
| Mary Kuhn | Daughter | — | 14 | ~1926 |
| Ernest Kuhn | Son | — | 3 | ~1937 |
| Mike Rebak | Other | — | 33 | ~1907 |
Census Appearances
1920
Hamilton, Ohio
Spouse, age 21
Hamilton, Ohio · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Hungary |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | hungary |
1930
Trumbull, Ohio
Spouse, age 33
Trumbull, Ohio · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 17 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Mother Tongue | Hungarian |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Trumbull-County, Ohio
Spouse, age 43
Trumbull-County, Ohio · implied b. ~1897 — 9 household members
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Niles City |
| 1935 Residence (County) | Trumbull |
| Naturalization Status | Alien |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 Mary Kuhn across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Kuhn
Spouse · 1940 · age 43 · b. ~1897 · Ohio
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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 — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03159-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Kuhn THIS PERSON | 43 | wife | — | Hungary |
| 2 | Betty Irene Kuhn | 18 | daughter | Clerk | Ohio |
| 3 | Helen Theresa Kuhn | 16 | daughter | — | Ohio |
| 4 | Mary Ann Kuhn | 14 | daughter | — | Ohio |
| 5 | Michael Kuhn | 12 | son | — | Ohio |
| 6 | Irene Jane Kuhn | 10 | daughter | — | Ohio |
| 7 | Joseph Kuhn | 9 | son | — | Ohio |
| 8 | Ernest Kuhn | 3 | son | — | Ohio |
| 9 | Mike Rebak | 33 | lodger | Laborer | Ohio |
| 10 | Mike Gernit|Gernitz | 51 | head | Proprietor | Hungary |
| 11 | Theresa Gernit|Gernitz | 53 | wife | Clerk | Hungary |
| 12 | Elizabeth Gernit|Gernitz | 16 | daughter | Clerk | Ohio |
| 13 | Nick Kiraly | 25 | son-in-law | Die Setter | Roumania |
| 14 | Mary Kiraly | 20 | daughter | — | Ohio |
| 15 | Mary Helen Kiraly | 2 | granddaughter | — | Ohio |
| 16 | Nicholas Kiraly | 1 | grandson | — | Ohio |
| 17 | John Kish | 13 | nephew | — | Ohio |
| 18 | Mike Mardorano | 53 | head | Laborer | Italy |
| 19 | Anna Mardorano | 48 | wife | — | Italy |
| 20 | Frances Mardorano | 21 | daughter | Inspector | Ohio |
| 21 | Helen Mardorano | 15 | daughter | — | Ohio |
| 22 | Russell Mardorano | 12 | son | — | Ohio |
| 23 | Angeline Mardorano | 10 | daughter | — | Ohio |
| 24 | Jacqueline Mardorano | 8 | daughter | — | Ohio |
| 25 | Joseph Mardorano | 5 | son | — | Ohio |
| 26 | Richard Mardorano | 3 | son | — | Ohio |
| 27 | Luka Rudinyak | 65 | head | — | Jugoslavia |
| 28 | Elizabeth Rudinyak | 73 | wife | — | Hungary |
| 29 | Stephen Brown | 32 | head | Press Operator | Ohio |
| 30 | Anne Brown | 25 | wife | — | Pennsylvania |
| 31 | Martha Anne Brown | 3 | daughter | — | Ohio |
| 32 | Philip Giuliano | 27 | head | Laborer | Italy |
| 33 | Annette Giuliano | 26 | wife | — | Italy |
| 34 | Josephine Giuliano | 5 | daughter | — | Ohio |
| 35 | Philip, Jr. Giuliano | 2 | son | — | Ohio |
| 36 | Louis Gaydos | 30 | head | Laborer | Pennsylvania |
| 37 | Margaret Gaydos | 22 | wife | — | Pennsylvania |
| 38 | Irene Margaret Gaydos | 2 | daughter | — | Ohio |
| 39 | Laurence Villio | 24 | head | Laborer | Ohio |
| 40 | Phyllis Villio | 19 | wife | — | 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)