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Mary Mackey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Mary Mackey across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Female
Spouse
Born: Czechoslovakia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Mackey |
| Given Name | Mary F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | Barberton |
| 1935 Residence (County) | Summit |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
| Township / Ward | Barberton |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Anne Valentin | Other | — | 20 | ~1920 |
| Martin Mackey | Head | — | 41 | ~1899 |
| Robert Mackey | Son | — | 19 | ~1921 |
| Margaret Mackey | Daughter | — | 17 | ~1923 |
| Mary Mackey | Spouse | — | 38 | ~1902 |
| Franklin Mackey | Son | — | 6 | ~1934 |
Census Appearances
1930
Summit, Ohio
Spouse, age 28
Summit, Ohio · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mackey |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| Year of Immigration | 1915 |
| Age at First Marriage | 16 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
1940
Summit-County, Ohio
Spouse, age 38
Summit-County, Ohio · implied b. ~1902 — 6 household members
| Surname | Mackey |
| Given Name | Mary F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | Barberton |
| 1935 Residence (County) | Summit |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
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.
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This person
Anchor record
Mary Mackey
Spouse · 1940 · age 38 · b. ~1902 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03152-00591)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Whlem | 49 | Head | Mill Work | Ohio |
| 42 | Charles Milliser | 40 | Head | Tire Builder | Ohio |
| 43 | Velma Milliser | 42 | Wife | — | Ohio |
| 44 | Martin J Mackey | 41 | Head | Supervisor | Ohio |
| 45 | Mary F Mackey THIS PERSON | 38 | Wife | — | Czechoslovakia |
| 46 | Robert Mackey | 19 | Son | Attendant | Ohio |
| 47 | Margaret Mackey | 17 | Daughter | New Worker | Ohio |
| 48 | Franklin Mackey | 6 | Son | — | Ohio |
| 49 | Anne V Valentin | 20 | Lodger | Usherette | Ohio |
| 50 | Sanford Heath | 37 | Head | Janitor | Ohio |
| 51 | Virginia Heath | 37 | Wife | — | Ohio |
| 52 | James Heath | 70 | Father | — | Ohio |
| 53 | Joan Wellman | 11 | Niece | — | Ohio |
| 54 | Anne Wellman | 7 | Niece | — | Ohio |
| 55 | Mike Mashalek | 61 | Head | Fireman Station | Yugoslavia |
| 56 | Anna Mashalek | 53 | Wife | — | Yugoslavia |
| 57 | William C Brothers | 67 | Head | Carpenter | Ohio |
| 58 | Effie Brothers | 63 | Wife | — | Ohio |
| 59 | William Macrae | 35 | Head | Foreman | Scotland |
| 60 | Joanne Macrae | 31 | Wife | Assembling | Pennsylvania |
| 61 | Margaret Macrae | 59 | Mother | — | Scotland |
| 62 | Marilyn Collette | 13 | Step-daughter | — | Ohio |
| 63 | Michael Vargo | 51 | Head | Laborer | Yugoslavia |
| 64 | Julia Vargo | 46 | Wife | — | Yugoslavia |
| 65 | Mary Vargo | 17 | Daughter | — | Ohio |
| 66 | Anna Vargo | 13 | Daughter | — | Ohio |
| 67 | Samuel Danca | 41 | Head | Machinist | Pennsylvania |
| 68 | Helen Danca | 49 | Wife | — | Scotland |
| 69 | Margaret Danca | 19 | Daughter | Tabulator | Ohio |
| 70 | Samuel Jr. Danca | 17 | Son | — | Ohio |
| 71 | William Danca | 15 | Son | Paper Deliverer | Ohio |
| 72 | George Danca | 74 | Head | Laborer | Yugoslavia |
| 73 | John Danca | 31 | Son | Assembly Man | Pennsylvania |
| 74 | Andy Danca | 30 | Son | Tire Builder | Pennsylvania |
| 75 | John Jr. Yurchick | 26 | Head | Grocer | Illinois |
| 76 | Anne Yurchick | 26 | Wife | — | West Virginia |
| 77 | — | None | — | — | — |
| 78 | Otto Bammel | 53 | Head | Foundry Man | Germany |
| 79 | Nettie Bammel | 51 | Wife | — | Ohio |
| 80 | Martin Olsen | 52 | Head | Iron Worker | New York |
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)