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John Mckenzie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Kentucky
Our Model Tree links this John Mckenzie across the 1930 and 1940 US Censuses in Lawrence-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 12-person household.
Age 24
b. ~1916
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Kentucky |
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist 3 |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 526 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Magisterial Dist 3 |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Hood Mckenzie | Head | — | 69 | ~1871 |
| Elizabeth Mckenzie | Spouse | — | 47 | ~1893 |
| Gertrude Mckenzie | Daughter | — | 15 | ~1925 |
| John Mckenzie | Son | — | 24 | ~1916 |
| Jasper Mckenzie | Son | — | 18 | ~1922 |
| Jane Mckenzie | Daughter | — | 13 | ~1927 |
| Mary Mckenzie | Daughter | — | 21 | ~1919 |
| Mertie Mckenzie | Son | — | 9 | ~1931 |
| Maggie Mckenzie | Daughter | — | 22 | ~1918 |
| Lonzie Mckenzie | Son | — | 11 | ~1929 |
| Eli Mckenzie | Son | — | 16 | ~1924 |
| Frank Mckenzie | Son | — | 24 | ~1916 |
Census Appearances
1930
Lawrence, Kentucky
Son, age 14
Lawrence, Kentucky · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Lawrence-County, Kentucky
Son, age 24
Lawrence-County, Kentucky · implied b. ~1916 — 12 household members
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist 3 |
| 1935 Residence (County) | Lawrence |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 526 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mckenzie across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mckenzie
Son · 1940 · age 24 · b. ~1916 · Kentucky
★ You are viewing this record
Sibling
Frank Mckenzie
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Mckenzie
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mertie Mckenzie
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Mckenzie
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eli Mckenzie
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lonzie Mckenzie
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mckenzie
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mckenzie
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jasper Mckenzie
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lawrence-County, Kentucky
Open full size
1940 US Federal Census — Lawrence-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01328-00196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Adams | 28 | Head | Laborer | Kentucky |
| 2 | Marie P. Adams | 19 | Wife | — | Kentucky |
| 3 | James P. Shannon | 67 | Head | Farmer | Kentucky |
| 4 | Laura B. Shannon | 68 | Wife | — | Kentucky |
| 5 | Waria B. Schuler | 28 | Daughter | — | Kentucky |
| 6 | James R. Ramey | 9 | Son | — | Kentucky |
| 7 | Willetta M. Ramey | 7 | Daughter | — | Kentucky |
| 8 | Riley Shannon | 36 | Head | Farm Laborer | Kentucky |
| 9 | Louisa G. Shannon | 34 | Wife | — | Kentucky |
| 10 | Billy D. Shannon | 3 | Son | — | Kentucky |
| 11 | Willie R. Shannon | 1 | Son | — | Kentucky |
| 12 | Alfie Mckenzie | 80 | Head | — | Kentucky |
| 13 | Stacy R. Mckenzie | 40 | Wife | — | Kentucky |
| 14 | John Mckenzie | 22 | Son | New Worker | Kentucky |
| 15 | Joe Mckenzie | 21 | Son | Laborer | Kentucky |
| 16 | James Mckenzie | 16 | Son | New Worker | Kentucky |
| 17 | Murray Mckenzie | 15 | Son | New Worker | Kentucky |
| 18 | Ernest Mckenzie | 14 | Son | New Worker | Kentucky |
| 19 | Sarah Mckenzie | 12 | Daughter | — | Kentucky |
| 20 | Leslie Mckenzie | 7 | Son | — | Kentucky |
| 21 | Lee A. (B) Garred | 76 | Head | — | Kentucky |
| 22 | Jennie C. Garred | 67 | Wife | — | Kentucky |
| 23 | Francis Mude | 68 | Servant | Servant | Kentucky |
| 24 | Ardely Mude | 62 | Servant | Servant | Kentucky |
| 25 | Tom Horton | 27 | Head | Laborer | Kentucky |
| 26 | Virgie Horton | 28 | Wife | — | Kentucky |
| 27 | Eugene Horton | 1 | Son | — | Kentucky |
| 28 | Hood (B) Mckenzie | 69 | Head | Laborer | Kentucky |
| 29 | Elizabeth Mckenzie | 47 | Wife | — | Kentucky |
| 30 | John Mckenzie THIS PERSON | 24 | Son | Laborer | Kentucky |
| 31 | Frank Mckenzie | 24 | Son | Laborer | Kentucky |
| 32 | Maggie Mckenzie | 22 | Daughter | Milkmaid | Kentucky |
| 33 | Mary Mckenzie | 21 | Daughter | — | Kentucky |
| 34 | Jasper Mckenzie | 18 | Son | Laborer | Kentucky |
| 35 | Eli Mckenzie | 16 | Son | Laborer | Kentucky |
| 36 | Gertrude Mckenzie | 15 | Daughter | — | Kentucky |
| 37 | Jane Mckenzie | 13 | Daughter | — | Kentucky |
| 38 | Lonzie B. Mckenzie | 11 | Son | — | Kentucky |
| 39 | Mertie B. Mckenzie | 9 | Son | — | Kentucky |
| 40 | John Hickman | 65 | Head | Miner | 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)