MK
Mary Kuhn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Seneca-County, Ohio
Our Model Tree links this Mary Kuhn across the 1930 and 1940 US Censuses in Seneca-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Seneca-County, Ohio |
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Meat Market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bookkeeper |
| Township / Ward | Tiffin |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Eileen Kuhn | Daughter | — | 22 | ~1918 |
| Clara Kuhn | Spouse | — | 48 | ~1892 |
| Joseph Kuhn | Head | — | 47 | ~1893 |
| Delores Kuhn | Daughter | — | 18 | ~1922 |
| Patty Kuhn | Daughter | — | 7 | ~1933 |
| Jeanne Kuhn | Daughter | — | 12 | ~1928 |
| Mary Kuhn | Daughter | — | 25 | ~1915 |
| Wm Kuhn | Son | — | 20 | ~1920 |
| Evelyn Kuhn | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Seneca, Ohio
Daughter, age 15
Seneca, Ohio · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhns |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Seneca-County, Ohio
Daughter, age 25
Seneca-County, Ohio · implied b. ~1915 — 9 household members
| Surname | Kuhn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| Occupation | Bookkeeper |
| Industry | Meat Market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 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 Mary Kuhn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kuhn
Daughter · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Patty Kuhn
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wm Kuhn
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanne Kuhn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Kuhn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Kuhn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Kuhn
Sibling · 1940 · age 18
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-t0627-03145-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Letterhos | 54 | Wife | — | Ohio |
| 2 | Genevieve Letterhos | 28 | Daughter | Reg Nurse | Ohio |
| 3 | Lucille Letterhos | 25 | Daughter | Maid | Ohio |
| 4 | Helen Letterhos | 20 | Daughter | Housework | Ohio |
| 5 | Mary Letterhos | 19 | Daughter | Maid | Ohio |
| 6 | Mike Saad | 63 | Head | — | Assyria |
| 7 | Amelia Saad | 53 | Wife | — | Assyria |
| 8 | John Saad | 33 | Son | Laborer | Ohio |
| 9 | Louise Saad | 29 | Daughter | Stenographer | Ohio |
| 10 | Franklin Saad | 24 | Son | Laborer | Ohio |
| 11 | J. L. Funkhouser | 53 | Head | Truck Driver | Virginia |
| 12 | Minerva Funkhouser | 52 | Wife | — | Virginia |
| 13 | Mervin Funkhouser | 21 | Son | Laborer | Ohio |
| 14 | Paul E. Funkhouser | 14 | Son | — | Ohio |
| 15 | Paul R. Brattner | 19 | Lodger | Setting Up Pins | Ohio |
| 16 | Helen Rose | 26 | Lodger | Registered Nurse | Ohio |
| 17 | Geo. O. Taylor | 68 | Head | — | New York |
| 18 | Elsie M. Taylor | 64 | Wife | — | Ohio |
| 19 | Kenneth L. Mumper | 43 | Head | Planning Eng | Illinois |
| 20 | Mildred Mumper | 43 | Wife | — | Indiana |
| 21 | James Mumper | 17 | Son | Clerk | Ohio |
| 22 | Robert Riske | 33 | Head | Salesman | Ohio |
| 23 | Dorothy Riske | 34 | Wife | — | Ohio |
| 24 | David Riske | 2 | Son | — | Ohio |
| 25 | Jas. F. Mcconnahay | 52 | Head | Proprietor | Pennsylvania |
| 26 | Nellie M. Mcconnahay | 55 | Wife | — | Ohio |
| 27 | Eleanor Mcconnahay | 17 | Daughter | — | Ohio |
| 28 | L. H. Drullinger | 39 | Roomer | Construction Estimator | Ind. |
| 29 | Joseph Kuhn | 47 | Head | — | Ohio |
| 30 | Clara Kuhn | 48 | Wife | — | Ohio |
| 31 | Mary Kuhn THIS PERSON | 25 | Daughter | Bookkeeper | Ohio |
| 32 | Eileen Kuhn | 22 | Daughter | Registered Nurse | Ohio |
| 33 | Wm. Kuhn | 20 | Son | Soil Conservation | Ohio |
| 34 | Delores Kuhn | 18 | Daughter | Clerk | Ohio |
| 35 | Evelyn Kuhn | 16 | Daughter | — | Ohio |
| 36 | Jeanne Kuhn | 12 | Daughter | — | Ohio |
| 37 | Patty Kuhn | 7 | Daughter | — | Ohio |
| 38 | Nellie Baker | 48 | Head | Cook | Virginia |
| 39 | George Baker | 25 | Son | Laborer | Ohio |
| 40 | Marguerite Baker | 20 | 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)