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Mary Mackey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Lucie-County, Florida
Our Model Tree links this Mary Mackey across the 1930 and 1940 US Censuses in St.-Lucie-County, Florida (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 12-person household.
Age 49
b. ~1891
Female
Spouse
Born: Bahamas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Lucie-County, Florida |
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Bahamas |
| 1935 Residence (City) | Fort Pierce city |
| 1935 Residence (County) | St. Lucie |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 520 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | bahamas |
| Occupation | Housework |
| Township / Ward | Fort Pierce City |
| Est. Birth Year | ~1891 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Susan Mackey | Other | — | 4 | ~1936 |
| Frances Mackey | Daughter | — | 17 | ~1923 |
| Mary Mackey | Spouse | — | 49 | ~1891 |
| Elbert Olenton | Other | — | 11 | ~1929 |
| Joseph Mackey | Head | — | 52 | ~1888 |
| Victoria Mackey | Daughter | — | 10 | ~1930 |
| Ethel Mackey | Daughter | — | 12 | ~1928 |
| Marie Mackey | Daughter | — | 14 | ~1926 |
| William Mackey | Son | — | 19 | ~1921 |
| Sarah Mackey | Daughter | — | 25 | ~1915 |
| Iremeta Mackey | Daughter | — | 8 | ~1932 |
| Julia Mackey | Daughter | — | 30 | ~1910 |
Census Appearances
1930
Martin, Florida
Spouse, age 39
Martin, Florida · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mackey |
| Given Name | Mattie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Bahamas |
| Naturalization Status | Naturalized |
| Year of Immigration | 1919 |
| Age at First Marriage | 21 |
| Father's Birthplace | British West Indies |
| Mother's Birthplace | British West Indies |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birthplace (normalized) | bahamas |
1940
St.-Lucie-County, Florida
Spouse, age 49
St.-Lucie-County, Florida · implied b. ~1891 — 12 household members
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Bahamas |
| 1935 Residence (City) | Fort Pierce city |
| 1935 Residence (County) | St. Lucie |
| Naturalization Status | Alien |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 520 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | bahamas |
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 49 · b. ~1891 · Florida
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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 — St.-Lucie-County, Florida
Open full size
1940 US Federal Census — St.-Lucie-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00616-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillie Mae Carter | 39 | Wife | Cook | Georgia |
| 2 | Eugene Carter | 23 | Son | Gas Mechanic | Georgia |
| 3 | Annie Carter | 20 | Daughter | Maid | Georgia |
| 4 | Betty Jean Carter | 1 | Granddaughter | — | Florida |
| 5 | Lillian James | 41 | Head | — | Georgia |
| 6 | Andy Junior James | 31 | Lodger | Laborer | Florida |
| 7 | Jones Simmon | 34 | Lodger | Cutter | Georgia |
| 8 | Johnnie Simmon | 26 | Wife | Maid | Georgia |
| 9 | Joseph Mackey | 52 | Head | Laborer | Bahamas |
| 10 | Mary Mackey THIS PERSON | 49 | Wife | Housework | Bahamas |
| 11 | Julia Mackey | 30 | Daughter | Maid | Florida |
| 12 | Sarah Mackey | 25 | Daughter | Housework | Florida |
| 13 | William Mackey | 19 | Son | — | Florida |
| 14 | Frances Mackey | 17 | Daughter | — | Florida |
| 15 | Marie Mackey | 14 | Daughter | — | Florida |
| 16 | Ethel Mackey | 12 | Daughter | — | Florida |
| 17 | Victoria Mackey | 10 | Daughter | — | Florida |
| 18 | Iremeta Mackey | 8 | Daughter | — | Florida |
| 19 | Susan Mackey | 4 | Stepdaughter | — | Florida |
| 20 | Elbert Olenton | 11 | Grandson | — | Florida |
| 21 | A. Marie Travis | 21 | Head | Picker | Georgia |
| 22 | Lola Bagley | 30 | Sister | Picker | Georgia |
| 23 | Thedra Bagley | 14 | Nephew | — | Florida |
| 24 | Emma Bagley | 8 | Niece | — | Florida |
| 25 | Lorene Stanly | 10 | Nephew | — | Florida |
| 26 | Martha Stanly | 12 | Niece | — | Florida |
| 27 | Alreana Stanly | 25 | Sister | Maid | Georgia |
| 28 | Samuel Cooper | 40 | Head | Truck Driver | S. Carolina |
| 29 | Lusana Cooper | 37 | Wife | — | S. Carolina |
| 30 | James I. Cooper | 22 | Son | Laborer | S. Carolina |
| 31 | Evelyn Cooper | 19 | Daughter | Maid | S. Carolina |
| 32 | Sam Jr. Cooper | 17 | Son | — | S. Carolina |
| 33 | Flora L. Cooper | 15 | Daughter | — | S. Carolina |
| 34 | Frank Newkirk | 55 | Head | Laborer | Georgia |
| 35 | Susie Newkirk | 59 | Wife | — | Georgia |
| 36 | O'Marie Newkirk | 17 | Daughter | — | Georgia |
| 37 | Robert Smith | 38 | Head | Janitor | Georgia |
| 38 | Maybelle Smith | 35 | Wife | — | Georgia |
| 39 | Maggie Martin | 74 | Mother-in-law | — | Georgia |
| 40 | Ed. C. William | 65 | Head | Tailoring | Florida |
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)