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Mary Mackey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Mackey across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Mackey |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mackey | Spouse | — | 33 | ~1907 |
| William Mackey | Son | — | 10 | ~1930 |
| William Mackey | Head | — | 35 | ~1905 |
| Gerald Mackey | Son | — | 7 | ~1933 |
| Lawrence Mackey | Son | — | 8 | ~1932 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 23
Wayne, Michigan · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mackey |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Spouse, age 33
Wayne-County, Michigan · implied b. ~1907 — 5 household members
| Surname | Mackey |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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
Spouse · 1940 · age 33 · b. ~1907 · Michigan
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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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01840-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John E. Hagen | 52 | Head | Record Clerk | Michigan |
| 42 | Theresa M. Hagen | 52 | Wife | — | Michigan |
| 43 | William Mackey | 35 | Head | Oiler | Michigan |
| 44 | Mary J. Mackey THIS PERSON | 33 | Wife | — | Michigan |
| 45 | William J. Mackey | 10 | Son | — | Michigan |
| 46 | Lawrence J. Mackey | 8 | Son | — | Michigan |
| 47 | Gerald E. Mackey | 7 | Son | — | Michigan |
| 48 | Max Rubin | 43 | Head | Fruit Vendor | Poland |
| 49 | Hilda Rubin | 35 | Wife | — | Poland |
| 50 | Yetta Rubin | 16 | Daughter | — | Michigan |
| 51 | Morris L. Rubin | 15 | Son | — | Michigan |
| 52 | Ann Rubin | 12 | Daughter | — | Michigan |
| 53 | Samuel Kovalsky | 37 | Head | Fruit Hauler | Poland |
| 54 | Ida P. Kovalsky | 30 | Wife | — | Poland |
| 55 | Norma Kovalsky | 13 | Daughter | — | Michigan |
| 56 | Hannah R. Kovalsky | 5 | Daughter | — | Michigan |
| 57 | Donald Kovalsky | 3 | Son | — | Michigan |
| 58 | Walter Green | 43 | Head | Laborer | Lithuania |
| 59 | Betty Green | 44 | Wife | — | Illinois |
| 60 | Benedict R. Green | 16 | Son | Soda Clerk | Michigan |
| 61 | Albert V. Green | 13 | Son | — | Michigan |
| 62 | Geraldine R. Green | 11 | Daughter | — | Michigan |
| 63 | Eleanor R. Green | 9 | Daughter | — | Michigan |
| 64 | Oscar W. Cooper | 39 | Head | Post Office Clerk | Georgia |
| 65 | Harriet E. Cooper | 36 | Wife | — | Michigan |
| 66 | Oscar A. Cooper | 9 | Son | — | Michigan |
| 67 | Juanita E. Cooper | 8 | Daughter | — | Michigan |
| 68 | Marge M. Cooper | 6 | Daughter | — | Michigan |
| 69 | Joanne R. Cooper | 2 | Daughter | — | Michigan |
| 70 | Louis Cardini | 65 | Head | Stone Cutter | Italy |
| 71 | Julia Cardini | 57 | Wife | — | Italy |
| 72 | Mary Baramassi | 29 | Daughter | — | Italy |
| 73 | Caroline I. Baramassi | 7 | Daughter | — | Michigan |
| 74 | Charles O'Neil | 35 | Head | Press Operator | Ohio |
| 75 | Catherine O'Neil | 27 | Wife | — | Pennsylvania |
| 76 | Eugene J. O'Neil | 8 | Son | — | Michigan |
| 77 | Shirley O'Neil | 4 | Daughter | — | Michigan |
| 78 | Mary Sgro | 35 | Head | — | Pennsylvania |
| 79 | Rose Sgro | 16 | Daughter | — | Ohio |
| 80 | Victor Sgro | 13 | Son | — | Michigan |
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)