MH
Mary Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sandusky-County, Ohio
Our Model Tree links this Mary Hoffman across the 1930 and 1940 US Censuses in Sandusky-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 12-person household.
Age 12
b. ~1928
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sandusky-County, Ohio |
| Surname | Hoffman |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Fremont city |
| 1935 Residence (County) | Sandusky |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Fremont City |
| Est. Birth Year | ~1928 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothea Hoffman | Daughter | — | ~1940 | |
| Dean Hoffman | Daughter | — | 7 | ~1933 |
| Joan Hoffman | Daughter | — | 9 | ~1931 |
| Mary Hoffman | Daughter | — | 12 | ~1928 |
| Theodore Hoffman | Head | — | 42 | ~1898 |
| Edward Hoffman | Son | — | 15 | ~1925 |
| Donald Hoffman | Son | — | 4 | ~1936 |
| Richard Hoffman | Son | — | 6 | ~1934 |
| Theodore Hoffman | Son | — | 20 | ~1920 |
| James Hoffman | Son | — | 17 | ~1923 |
| John Hoffman | Son | — | 19 | ~1921 |
| Henrietta Hoffman | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Sandusky, Ohio
Daughter, age 3
Sandusky, Ohio · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Sandusky-County, Ohio
Daughter, age 12
Sandusky-County, Ohio · implied b. ~1928 — 12 household members
| Surname | Hoffman |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Fremont city |
| 1935 Residence (County) | Sandusky |
| Highest Grade | No 6 |
| 1935 Residence | Ohio |
| 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 Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hoffman
Daughter · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
John Hoffman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea Hoffman
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hoffman
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hoffman
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Hoffman
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Hoffman
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hoffman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Hoffman
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Hoffman
Sibling · 1940 · age 20
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 — Sandusky-County, Ohio
Open full size
1940 US Federal Census — Sandusky-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03139-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac F. Stine | 80 | Head | Retired Farmer | Ohio |
| 2 | Solume E. Stine | 80 | Wife | Housewife | Ohio |
| 3 | Jesse Inks | 53 | Head | Tamper | Ohio |
| 4 | Mary Inks | 49 | Wife | Housewife | Ohio |
| 5 | Robert Inks | 24 | Son | Operator | Ohio |
| 6 | Warren Inks | 13 | Son | — | Ohio |
| 7 | Katherine Dorn | 65 | Head | Stayer | Ohio |
| 8 | Claude Edmonds | 21 | Head | Core-Maker | Ohio |
| 9 | Irene Edmonds | 19 | Wife | Housewife | Ohio |
| 10 | Harold Filson | 36 | Head | Operator | Ohio |
| 11 | Irene Filson | 30 | Wife | Housewife | Ohio |
| 12 | Barbara Ann Filson | 7 | Daughter | — | Ohio |
| 13 | Robert Lee Filson | 7 | Son | — | Ohio |
| 14 | Gerald Filson | 10 | Son | — | Ohio |
| 15 | Carl Schabel | 34 | Head | Decorator | Michigan |
| 16 | Goldie Schabel | 32 | Wife | Housewife | Michigan |
| 17 | Robert Schabel | 14 | Son | — | Michigan |
| 18 | Paul Schabel | 12 | Son | — | Michigan |
| 19 | Anna Schabel | 11 | Daughter | — | Michigan |
| 20 | William Schabel | 9 | Son | — | Michigan |
| 21 | Theodore Hoffman | 42 | Head | Clerk | Ohio |
| 22 | Henrietta Hoffman | 44 | Wife | Housewife | Ohio |
| 23 | Theodore Jr. Hoffman | 20 | Son | Wrapper | Ohio |
| 24 | John Hoffman | 19 | Son | Salesman | Ohio |
| 25 | James Hoffman | 17 | Son | — | Ohio |
| 26 | Edward Hoffman | 15 | Son | — | Ohio |
| 27 | Mary M. Hoffman THIS PERSON | 12 | Daughter | — | Ohio |
| 28 | Joan Hoffman | 9 | Daughter | — | Ohio |
| 29 | Dean Hoffman | 7 | Daughter | — | Ohio |
| 30 | Richard Hoffman | 6 | Son | — | Ohio |
| 31 | Donald Hoffman | 4 | Son | — | Ohio |
| 32 | Dorothea Hoffman | 0 | Daughter | — | Ohio |
| 33 | Emma Huntzinger | 68 | Head | Housewife | Illinois |
| 34 | Leonora Huntzinger | 43 | Daughter | Teacher | Illinois |
| 35 | Walter Fought | 42 | Head | Polisher | Ohio |
| 36 | Gladys Fought | 37 | Wife | Housewife | Ohio |
| 37 | Betty Fought | 17 | Daughter | — | Ohio |
| 38 | Donna Jean Fought | 9 | Daughter | — | Ohio |
| 39 | Donald Earl Fought | 9 | Son | — | Ohio |
| 40 | Evelyn Fought | 13 | 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)