MH
Mary Higgins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Mary Higgins across the 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Higgins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toronto city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toronto City |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Lucy Higgins | Daughter | — | 9 | ~1931 |
| Mary Higgins | Daughter | — | 15 | ~1925 |
| Doris Higgins | Daughter | — | 7 | ~1933 |
| Charles Higgins | Head | — | 44 | ~1896 |
| Benson Higgins | Son | — | 16 | ~1924 |
| George Higgins | Son | — | 2 | ~1938 |
| James Higgins | Son | — | 6 | ~1934 |
| Gerald Higgins | Son | — | 4 | ~1936 |
| Grace Higgins | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Jefferson, Ohio
Daughter, age 4
Jefferson, Ohio · implied b. ~1926 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Higgins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jefferson-County, Ohio
Daughter, age 15
Jefferson-County, Ohio · implied b. ~1925 — 9 household members
| Surname | Higgins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toronto city |
| 1935 Residence (County) | Jefferson |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| 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 Higgins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Higgins
Daughter · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
James Higgins
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Higgins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benson Higgins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Higgins
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Higgins
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Higgins
Sibling · 1940 · age 7
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 — Jefferson-County, Ohio
Open full size
1940 US Federal Census — Jefferson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03090-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles M. Jr. Piatt | 44 | Head | Runner | West Virginia |
| 2 | Mildred B. Piatt | 33 | Wife | — | Ohio |
| 3 | Betty Jean Piatt | 15 | Daughter | 0 | Ohio |
| 4 | Charles N. Piatt | 14 | Son | 0 | Ohio |
| 5 | Melvin E. Piatt | 10 | Son | — | Ohio |
| 6 | Harriet E. Piatt | 5 | Daughter | — | Ohio |
| 7 | Edwin O'Leary | 32 | Head | Treasurer | Ohio |
| 8 | Mary E. O'Leary | 31 | Wife | 0 | West Virginia |
| 9 | Janet O'Leary | 4 | Daughter | — | Ohio |
| 10 | Fayette O'Leary | 2 | Daughter | — | Ohio |
| 11 | George Mccart | 30 | Head | Steel Inspector | West Virginia |
| 12 | Mildred Mccart | 30 | Wife | 0 | Ohio |
| 13 | Mary Jane Mccart | 4 | Daughter | — | Ohio |
| 14 | Thomas Mccart | 2 | Son | — | Ohio |
| 15 | Patrick Mccart | 0 | Son | — | Ohio |
| 16 | Charles Higgins | 44 | Head | Jiggerman | Ohio |
| 17 | Grace Higgins | 38 | Wife | 0 | Ohio |
| 18 | Benson Higgins | 16 | Son | 0 | Ohio |
| 19 | Mary Higgins THIS PERSON | 15 | Daughter | — | Ohio |
| 20 | Lucy Higgins | 9 | Daughter | — | Ohio |
| 21 | Doris May Higgins | 7 | Daughter | — | Ohio |
| 22 | James Higgins | 6 | Son | — | Ohio |
| 23 | Gerald Eugene Higgins | 4 | Son | — | Ohio |
| 24 | George Higgins | 2 | Son | — | Ohio |
| 25 | William J. Lee | 51 | Head | Plaster | Ohio |
| 26 | Margaret Lee | 43 | Wife | 0 | Illinois |
| 27 | Doris Lee | 19 | Daughter | Stamper | Ohio |
| 28 | Betty Lee | 17 | Daughter | 0 | Ohio |
| 29 | Robert Lee | 13 | Son | — | Ohio |
| 30 | John Lee | 11 | Son | — | Ohio |
| 31 | Christopher Hynes | 42 | Head | Carpenter | West Virginia |
| 32 | Catherine Hynes | 40 | Wife | 0 | Ohio |
| 33 | Catherine Hynes | 18 | Daughter | 0 | Ohio |
| 34 | Helen Hynes | 16 | Daughter | 0 | Ohio |
| 35 | Margaret Hynes | 13 | Daughter | — | Ohio |
| 36 | Thomas Hynes | 11 | Son | — | Ohio |
| 37 | William Hynes | 5 | Son | — | West Virginia |
| 38 | Raymond Stewart | 22 | Head | Machine Helper | Ohio |
| 39 | Catherine Stewart | 21 | Wife | 0 | Ohio |
| 40 | Patricia Ann Stewart | 0 | Daughter | — | Ohio |
Related Census Records
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)