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Mary Mackey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Ohio
Our Model Tree links this Mary Mackey across the 1920 and 1930 US Censuses in Jefferson, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 9-person household.
Age 19
b. ~1911
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Ohio |
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Servant |
| Township / Ward | Smithfield Township Part Of |
| Est. Birth Year | ~1911 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mackey | Other | — | 42 | ~1888 |
| Gabriel Mackey | Daughter | — | 11 | ~1919 |
| Ernest Mackey | Son | — | 15 | ~1915 |
| Catherine Mackey | Daughter | — | 19 | ~1911 |
| Margaret Mackey | Daughter | — | 13 | ~1917 |
| Theresa Mackey | Daughter | — | 16 | ~1914 |
| David Mackey | Head | — | 48 | ~1882 |
| Mary Mackey | Daughter | — | 19 | ~1911 |
| David Mackey | Son | — | 21 | ~1909 |
Census Appearances
1920
Jefferson, Ohio
Daughter, age 9
Jefferson, Ohio · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Magyar |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jefferson, Ohio
Daughter, age 19
Jefferson, Ohio · implied b. ~1911 — 9 household members
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mackey across 2 US Census years (1920 and 1930) in Jefferson, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mackey
Daughter · 1930 · age 19 · b. ~1911 · Ohio
★ You are viewing this record
Sibling
David Mackey
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Mackey
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mackey
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gabriel Mackey
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Mackey
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mackey
Sibling · 1930 · age 19
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
1930 US Federal Census — Jefferson, Ohio
Open full size
1930 US Federal Census — Jefferson, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1824:0794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Smith | 15 | Son | — | Scotland |
| 2 | Alex Smith | 13 | Son | — | Scotland |
| 3 | Agnes Smith | 10 | Daughter | — | Scotland |
| 4 | Adam Smith | 7 | Son | — | Scotland |
| 5 | Elizabeth Smith | 4 | Daughter | — | Ohio |
| 6 | Deligh Smith | 0 | Son | — | Ohio |
| 7 | John Robeson | 51 | Head | Laborer | Ohio |
| 8 | Sarah Robeson | 49 | Wife-H | — | Ohio |
| 9 | Laura Robeson | 20 | Son | Teacher | Ohio |
| 10 | Lillian Robeson | 17 | Daughter | — | Ohio |
| 11 | Wilbur Robeson | 6 | Son | — | Ohio |
| 12 | James Balfour | 32 | Head | Laborer | Scotland |
| 13 | Georgina Balfour | 32 | Wife-H | — | Scotland |
| 14 | Alex Balfour | 10 | Son | — | Scotland |
| 15 | Maxwell Balfour | 8 | Son | — | Scotland |
| 16 | Matilda Balfour | 4 | Daughter | — | Ohio |
| 17 | Herbert Kitchley | 38 | Head | Manager | Pennsylvania |
| 18 | Corrine Kitchley | 38 | Wife-H | — | Ohio |
| 19 | Geraldine Kitchley | 5 | Daughter | — | Ohio |
| 20 | Annie Fish | 74 | Mother-in-law | — | Ohio |
| 21 | John Balfour | 26 | Boarder | Laborer | Scotland |
| 22 | William Hahner | 23 | Boarder | Laborer | Scotland |
| 23 | David Mackey | 48 | Head | Laborer | Hungary |
| 24 | Mary Mackey | 42 | Wife-H | — | Hungary |
| 25 | David Mackey | 21 | Son | Laborer | Ohio |
| 26 | Mary Mackey THIS PERSON | 19 | Daughter | Servant | Ohio |
| 27 | Catherine Mackey | 19 | Daughter | — | Ohio |
| 28 | Theresa Mackey | 16 | Daughter | — | Ohio |
| 29 | Ernest Mackey | 15 | Son | — | Ohio |
| 30 | Margaret Mackey | 13 | Daughter | — | Ohio |
| 31 | Gabriel Mackey | 11 | Daughter | — | Ohio |
| 32 | Frank Danes | 50 | Head | Laborer | Italy |
| 33 | Josephine Danes | 48 | Wife-H | — | Italy |
| 34 | Alexander Dobrychop | 37 | Head | Laborer | Poland |
| 35 | Alice Dobrychop | 32 | Wife-H | — | Poland |
| 36 | Alex Dobrychop | 7 | Son | — | Ohio |
| 37 | Bruno Dobrychop | 4 | Son | — | Ohio |
| 38 | Raymond Dobrychop | 0 | Son | — | Ohio |
| 39 | Cecelia Baczar | 14 | Daughter | — | Ohio |
| 40 | Joe Baczar | 12 | Step-son | — | Ohio |
| 41 | Louis Million | 35 | Head | Farmer | Pennsylvania |
| 42 | Susan Million | 60 | Mother | — | Poland |
| 43 | Walter Million | 24 | Brother | Laborer | Ohio |
| 44 | Charles Million | 17 | Brother | Laborer | Ohio |
| 45 | Pearl Million | 14 | Sister | — | Ohio |
| 46 | Elmer Dutton | 69 | Head | Farmer | Ohio |
| 47 | Mary Dutton | 66 | Wife-H | — | Ohio |
| 48 | Chauncy Dutton | 36 | Son | Farmer | Ohio |
| 49 | Joe Rejiki | 53 | Head | Laborer | Hungary |
| 50 | Julia Rejiki | 43 | Wife-H | — | Hungary |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)