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John Mackey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this John Mackey across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Male
Head
Born: Arkansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Mackey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Gary city |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Mail man |
| Industry | Post office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | Mail Man |
| Township / Ward | Gary City |
| Est. Birth Year | ~1888 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Bessie Mackey | Spouse | — | 41 | ~1899 |
| Johnetta Mackey | Daughter | — | 15 | ~1925 |
| John Mackey | Head | — | 52 | ~1888 |
| Carmelita Mackey | Daughter | — | 10 | ~1930 |
| Macie Mackey | Son | — | 24 | ~1916 |
| Carletta Mackey | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Lake, Indiana
Head, age 44
Lake, Indiana · implied b. ~1886
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mackey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 25 |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | Letter Carrier |
| Industry | United States |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Lake-County, Indiana
Head, age 52
Lake-County, Indiana · implied b. ~1888 — 6 household members
| Surname | Mackey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Gary city |
| 1935 Residence (County) | Lake |
| Occupation | Mail man |
| Industry | Post office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 John Mackey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mackey
Head · 1940 · age 52 · b. ~1888 · Indiana
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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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01120-00534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jr Curtis | 5 | Son | — | Indiana |
| 2 | Jean Ellen Curtis | 5 | Daughter | — | Indiana |
| 3 | John Mackey THIS PERSON | 52 | Head | Mail Man | Arkansas |
| 4 | Bessie D Mackey | 41 | Wife | — | North Carolina |
| 5 | Macie Mackey | 24 | Son | Laborer | Michigan |
| 6 | Johnetta Mackey | 15 | Daughter | — | Indiana |
| 7 | Carletta Mackey | 12 | Daughter | — | Indiana |
| 8 | Carmelita Mackey | 10 | Daughter | — | Indiana |
| 9 | Hemmae Sanders | 31 | Head | Buffer | Mississippi |
| 10 | Hazel D Sanders | 27 | Wife | — | Texas |
| 11 | Beryle Sanders | 5 | Daughter | — | Indiana |
| 12 | Dozier Wayne | 35 | Roomer | Laborer | Tenn. |
| 13 | Bessie Head Babcock | 36 | Head | Janitor | Tennessee |
| 14 | Willie May Babcock | 33 | Wife | — | Mississippi |
| 15 | Yvonne Babcock | 12 | Daughter | — | Indiana |
| 16 | Darlane Babcock | 10 | Daughter | — | Indiana |
| 17 | Ceton Ammons | 34 | Roomer | Stamping | Georgia |
| 18 | Willie Preston | 38 | Head | Maid | Mississippi |
| 19 | Marshal Thomas Preston | 37 | Brother | Laborer | Mississippi |
| 20 | Harry Ab Taylor | 20 | Son | — | Indiana |
| 21 | Simon Brunston | 36 | Head | Chipper | Mississippi |
| 22 | Earlene Brunston | 23 | Wife | — | Missouri |
| 23 | Willie Lu Brunston | 6 | Daughter | — | Missouri |
| 24 | Simon Jr Brunston | 4 | Son | — | Indiana |
| 25 | Robert Brunston | 2 | Son | — | Indiana |
| 26 | Willie Bayrd | 27 | Head | Hooker | Mississippi |
| 27 | Emmie D Bayrd | 24 | Wife | — | Mississippi |
| 28 | Willie Jr Bayrd | 7 | Son | — | Mississippi |
| 29 | Menston Bayrd | 5 | Son | — | Indiana |
| 30 | Horton Wilson | 36 | Head | Laborer | Alabama |
| 31 | Irene C Wilson | 36 | Wife | — | Alabama |
| 32 | Vilking Horton | 29 | Daughter | Laborer | Alabama |
| 33 | Ruby Dale Horton | 26 | Sister | — | Alabama |
| 34 | Frances Horton | 4 | Daughter | — | Indiana |
| 35 | Lurene Horton | 2 | Daughter | — | Indiana |
| 36 | Arthur Amison | 32 | Head | Laborer | Alabama |
| 37 | Louie V Amison | 29 | Wife | — | Mississippi |
| 38 | Mary Amison | 9 | Daughter | — | Kentucky |
| 39 | Adell Amison | 7 | Son | — | Kentucky |
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)