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Mary Mackey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Mary Mackey across the 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Brilliant Village |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Brilliant Village |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Birdie Mackey | Daughter | — | 17 | ~1923 |
| Frances Mackey | Daughter | — | 21 | ~1919 |
| Mary Mackey | Daughter | — | 17 | ~1923 |
| Margaret Mackey | Daughter | — | 17 | ~1923 |
| Henry Mackey | Head | — | 50 | ~1890 |
| Marie Mackey | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Jefferson, Ohio
Daughter, age 7
Jefferson, Ohio · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mackey |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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 17
Jefferson-County, Ohio · implied b. ~1923 — 6 household members
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Brilliant Village |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| 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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mackey
Daughter · 1940 · age 17 · b. ~1923 · Ohio
★ You are viewing this record
Sibling
Frances Mackey
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Birdie Mackey
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mackey
Sibling · 1940 · age 17
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-t0627-03092-00673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Foster | 32 | Head | Lockman | Penna |
| 2 | Betty Foster | 16 | Daughter | — | Penna |
| 3 | [Nr] Foster | 11 | Son | — | Penna |
| 4 | William Rothstein | 44 | Head | Inspector | Ohio |
| 5 | Mary Rothstein | 40 | Wife | — | Ohio |
| 6 | Elizabeth S. Clark | 73 | Head | — | Ohio |
| 7 | Thomas C. Clark | 47 | Son | Salesman | Ohio |
| 8 | Sara Clark | 44 | Daughter | — | New York |
| 9 | Elizabeth Clark | 30 | Daughter | — | Ohio |
| 10 | Martha Clark | 18 | Daughter | — | Ohio |
| 11 | Robert Clark | 15 | Son | — | Ohio |
| 12 | Richard Clark | 12 | Son | — | Ohio |
| 13 | Helen Clark | 7 | Daughter | — | Ohio |
| 14 | David Clark | 5 | Son | — | Ohio |
| 15 | W. J. Kenwood | 23 | Head | Decorator | Ohio |
| 16 | Sadie Belle Kenwood | 22 | Wife | — | Ohio |
| 17 | W. J. Francis Kenwood | 0 | Son | — | Ohio |
| 18 | Elmer Nixon | 43 | Head | Carpenter | Ohio |
| 19 | Sara Nixon | 47 | Wife | Carpenter | W. Va. |
| 20 | Martha Nixon | 20 | Daughter | — | Ohio |
| 21 | Ralph Nixon | 15 | Son | — | Ohio |
| 22 | Josephine Still | 76 | Mother-in-law | — | W. Va. |
| 23 | Henry F. Mackey | 50 | Head | Labor | Ohio |
| 24 | Marie Mackey | 48 | Wife | — | Ohio |
| 25 | Frances Mackey | 21 | Daughter | Housekeeper | Ohio |
| 26 | Birdie Mackey | 17 | Daughter | — | Ohio |
| 27 | Mary Mackey THIS PERSON | 17 | Daughter | — | Ohio |
| 28 | Margaret Mackey | 17 | Daughter | — | Ohio |
| 29 | Willard G. Rodgers | 67 | Head | — | W. Va. |
| 30 | Eva Mae Rodgers | 28 | Wife | — | Ohio |
| 31 | Margaret Evelyn Rodgers | 11 | Daughter | — | Penna |
| 32 | Chas. W. Stoutman | 39 | Head | Electric Mechanic | W. Va. |
| 33 | Frances A. Stoutman | 33 | Wife | — | W. Va. |
| 34 | Betty Lou Stoutman | 13 | Daughter | — | W. Va. |
| 35 | Vera A. Stoutman | 11 | Daughter | — | W. Va. |
| 36 | Belle Waddle | 85 | Head | — | W. Va. |
| 37 | Ella Waddle | 51 | Daughter | Waitress | Ohio |
| 38 | W. J. Buey | 37 | Head | Lockman | Ohio |
| 39 | Thelma Buey | 25 | Wife | — | Ohio |
| 40 | Georgia Buey | 3 | 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)