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John Mckay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Florida
Our Model Tree links this John Mckay across the 1930 and 1940 US Censuses in Marion-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 9-person household.
Age 49
b. ~1891
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Florida |
| Surname | McKay |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Ocala city |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Cement mixer |
| Industry | W.P.A. Street marking project |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 988 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Cement Mixer |
| Township / Ward | Ocala 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ollie Mckay | Spouse | — | 42 | ~1898 |
| Marie Mckay | Daughter | — | 8 | ~1932 |
| Kathleen Mckay | Daughter | — | 13 | ~1927 |
| Jean Mckay | Daughter | — | 5 | ~1935 |
| J Mckay | Son | — | 17 | ~1923 |
| John Mckay | Head | — | 49 | ~1891 |
| Annie Mckay | Daughter | — | 15 | ~1925 |
| Christina Mckay | Daughter | — | 19 | ~1921 |
| Louis Mckay | Son | — | 20 | ~1920 |
Census Appearances
1930
Marion, Florida
Head, age 39
Marion, Florida · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 24 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Radio Set | O |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Marion-County, Florida
Head, age 49
Marion-County, Florida · implied b. ~1891 — 9 household members
| Surname | McKay |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Ocala city |
| 1935 Residence (County) | Marion |
| Occupation | Cement mixer |
| Industry | W.P.A. Street marking project |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 988 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Mckay across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mckay
Head · 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 — Marion-County, Florida
Open full size
1940 US Federal Census — Marion-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00600-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Loretta Washington | 8 | Daughter | — | Florida |
| 42 | Sam Boyd | 49 | Head | Male Nurse | Florida |
| 43 | Laurabelle Boyd | 20 | Wife | Servant | Florida |
| 44 | Ed Jr. Painter | 17 | Brother-in-law | New Worker | Florida |
| 45 | William Courts | 66 | Head | Janitor | Florida |
| 46 | Lizzie Courts | 66 | Wife | Laundress | Florida |
| 47 | Lurigeania Jones | 60 | Head | Teacher | Florida |
| 48 | Christina Jones | 35 | Daughter | School Teacher | Florida |
| 49 | Gancy Stewart | 74 | Head | — | Florida |
| 50 | Emma Stewart | 65 | Wife | Mangler | South Carolina |
| 51 | Maggie Major | 52 | Sister-in-law | — | South Carolina |
| 52 | Alice Jordan | 64 | Lodger | Laundress | Florida |
| 53 | Annie Myers | 50 | Head | Servant | Florida |
| 54 | Harry Myers | 19 | Son | — | Florida |
| 55 | John Henry Nelson | 17 | Son | — | Florida |
| 56 | John A. Brown | 54 | Head | Farmer | Georgia |
| 57 | Arthur Moore | 25 | Head | Delivery Boy | Florida |
| 58 | Priscilla Moore | 14 | Sister | — | Florida |
| 59 | Fred Rush | 22 | Head | — | Florida |
| 60 | Parnell Scofield | 42 | Head | Carpenter | Florida |
| 61 | Almeta Scofield | 32 | Wife | Servant | Florida |
| 62 | Albert Grant | 28 | Head | Fireman | Florida |
| 63 | Sally Carr | 75 | Head | — | Georgia |
| 64 | Katie Lee Carr | 9 | Daughter | — | Florida |
| 65 | L. D. Davis | 33 | Head | — | South Carolina |
| 66 | Caty Davis | 75 | Wife | — | Georgia |
| 67 | John Mckay THIS PERSON | 49 | Head | Cement Mixer | Florida |
| 68 | Ollie Mckay | 42 | Wife | — | Florida |
| 69 | Louis Mckay | 20 | Son | Laborer | Florida |
| 70 | Christina Mckay | 19 | Daughter | New Worker | Florida |
| 71 | J. Russell Mckay | 17 | Son | New Worker | Florida |
| 72 | Annie Lee Mckay | 15 | Daughter | — | Florida |
| 73 | Kathleen Mckay | 13 | Daughter | — | Florida |
| 74 | Marie Mckay | 8 | Daughter | — | Florida |
| 75 | Jean Mckay | 5 | Daughter | — | Florida |
| 76 | Sam Williams | 80 | Head | — | Florida |
| 77 | Dan Gibbs | 42 | Lodger | Minister | Florida |
| 78 | Pearl Gibbs | 42 | Lodger | Servant | Florida |
| 79 | Walter Case | 62 | Head | — | Florida |
| 80 | Milton Felder | 22 | Head | Laborer | 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)