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Mary Leahy — 1940 US Census Record
1940 United States Federal Census · Turner-County, South Dakota
Age 22
b. ~1918
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Turner-County, South Dakota |
| Surname | Leahy |
| Given Name | Mary J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Parker Twp |
| 1935 Residence (County) | Turner |
| Additional Details | |
| Occupation | NYA office |
| Industry | GW |
| Class of Worker | 88 |
| Highest Grade | H-4 |
| 1935 Residence | 8 |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Nya Office |
| Township / Ward | Parker Twp |
| Est. Birth Year | ~1918 |
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.
26 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lydia Battles | Daughter | — | 6 | ~1934 |
| Alvin Schmidt | Son | — | 20 | ~1920 |
| Timothy Leahy | Daughter | — | 66 | ~1874 |
| Francis Leahy | Son | — | 25 | ~1915 |
| Edith Leahy | Daughter | — | 18 | ~1922 |
| Epps Battles | Son | — | 13 | ~1927 |
| Leland Schmidt | Son | — | 22 | ~1918 |
| Helen Schmidt | Daughter | — | 18 | ~1922 |
| Mary Cink | Daughter | — | 12 | ~1928 |
| Mary Leahy | Daughter | — | 22 | ~1918 |
| Gordon Cink | Son | — | 4 | ~1936 |
| Norma Hammond | Daughter | — | 7 | ~1933 |
| Margaret Cink | Daughter | — | 12 | ~1928 |
| Donald Cink | Son | — | 9 | ~1931 |
| Marilyn Hammond | Daughter | — | 3 | ~1937 |
| Francis Hammond | Son | — | 10 | ~1930 |
| John Leahy | Son | — | 30 | ~1910 |
| Aubrey Battles | Son | — | 11 | ~1929 |
| Lois Leahy | Daughter | — | 16 | ~1924 |
| Albin Cink | Son | — | 10 | ~1930 |
| Raymond Cink | Son | — | 8 | ~1932 |
| Nellie Leahy | Spouse | — | 62 | ~1878 |
| John Cink | Son | — | 6 | ~1934 |
| Olive Rundell | Daughter | — | 16 | ~1924 |
| Harold Schmidt | Son | — | 10 | ~1930 |
| Marjorie Leahy | Daughter | — | 20 | ~1920 |
Census Appearances
1940
Turner-County, South …
Daughter, age 22
Turner-County, South Dakota · implied b. ~1918 — 26 household members
| Surname | Leahy |
| Given Name | Mary J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Parker Twp |
| 1935 Residence (County) | Turner |
| Occupation | NYA office |
| Industry | GW |
| Class of Worker | 88 |
| Highest Grade | H-4 |
| 1935 Residence | 8 |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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.
Mary Leahy appears in the 1940 US Census.
Show:
This person
Anchor record
Mary Leahy
Daughter · 1940 · age 22 · b. ~1918 · South Dakota
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Sibling
Edith Leahy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Schmidt
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cink
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Leahy
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cink
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Cink
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Hammond
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cink
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Schmidt
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aubrey Battles
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Hammond
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Schmidt
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Leahy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cink
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cink
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Leahy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Schmidt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albin Cink
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Leahy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olive Rundell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Epps Battles
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Hammond
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Leahy
Sibling · 1940 · age 66
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Battles
Sibling · 1940 · age 6
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 — Turner-County, South Dakota
Open full size
1940 US Federal Census — Turner-County, South Dakota
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-03868-01071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie M Leahy | 62 | Wife | — | South Dakota |
| 2 | John E Leahy | 30 | son | Farm | South Dakota |
| 3 | Francis B Leahy | 25 | son | Farm | South Dakota |
| 4 | Mary J Leahy THIS PERSON | 22 | daughter | Nya Office | South Dakota |
| 5 | Marjorie L Leahy | 20 | daughter | Dept Store | South Dakota |
| 6 | Edith K Leahy | 18 | daughter | Dentist | South Dakota |
| 7 | Lois Ann Leahy | 16 | daughter | — | South Dakota |
| 8 | Timothy P Leahy | 66 | daughter | — | Iowa |
| 9 | Margaret E Cink | 12 | daughter | — | South Dakota |
| 10 | Albin L Cink | 10 | son | — | South Dakota |
| 11 | Donald F Cink | 9 | son | — | South Dakota |
| 12 | Raymond G Cink | 8 | son | — | South Dakota |
| 13 | John H Cink | 6 | son | — | South Dakota |
| 14 | Gordon P Cink | 4 | son | — | South Dakota |
| 15 | Mary E Cink | 12 | daughter | — | South Dakota |
| 16 | Alvin J Schmidt | 20 | son | Farm | South Dakota |
| 17 | Harold Schmidt | 10 | son | — | South Dakota |
| 18 | Leland P Schmidt | 22 | son | Farm | South Dakota |
| 19 | Helen C Schmidt | 18 | daughter | — | Arizona |
| 20 | Epps L Battles | 13 | son | — | South Dakota |
| 21 | Aubrey M Battles | 11 | son | — | South Dakota |
| 22 | Lydia J Battles | 6 | daughter | — | South Dakota |
| 23 | Olive E Rundell | 16 | daughter | Home Economics | South Dakota |
| 24 | Francis V Hammond | 10 | son | — | South Dakota |
| 25 | Norma A Hammond | 7 | daughter | — | South Dakota |
| 26 | Marilyn A Hammond | 3 | daughter | — | South Dakota |
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)