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John Mckenzie — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Kentucky
Our Model Tree links this John Mckenzie across the 1920, 1930 and 1940 US Censuses in Johnson-County, Kentucky (XGBoost, ~Confirmed), with identified parents W & W — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kentucky |
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist. No. 1 |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist No 1 |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Louise Mckenzie | Spouse | — | 57 | ~1883 |
| W Mckenzie | Head | — | 60 | ~1880 |
| John Mckenzie | Son | — | 20 | ~1920 |
Census Appearances
1920
Johnson, Kentucky
Son, age
Johnson, Kentucky · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | John W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Johnson, Kentucky
Son, age 10
Johnson, Kentucky · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Johnson-County, Kentucky
Son, age 20
Johnson-County, Kentucky · implied b. ~1920 — 3 household members
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist. No. 1 |
| 1935 Residence (County) | Johnson |
| Highest Grade | C 2 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Mckenzie (~0.92 confidence) and father W Mckenzie (~0.92 confidence) and father Willie Mckenzie (~0.92 confidence) and mother Louisa Mckenzie (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Mckenzie
b. ~1870
Source father
● Household
· direct · ~0.92
Father
W Mckenzie
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Willie Mckenzie
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Louisa Mckenzie
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mckenzie
Son · 1940 · age 20 · b. ~1920 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Johnson-County, Kentucky
Open full size
1940 US Federal Census — Johnson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Imogene Blanton | 17 | Wife | — | Kentucky |
| 42 | Ray Turner | 53 | Head | Farmer | Kentucky |
| 43 | Virgie Turner | 51 | Wife | — | Kentucky |
| 44 | John Turner | 25 | Son | Miner | Kentucky |
| 45 | Pauline Turner | 24 | Daughter | — | Kentucky |
| 46 | Virginia Ellen Turner | 5 | Granddaughter | — | Kentucky |
| 47 | W. H. Mckenzie | 60 | Head | Farmer | Kentucky |
| 48 | Louise Mckenzie | 57 | Wife | — | Kentucky |
| 49 | John Mckenzie THIS PERSON | 20 | Son | — | Kentucky |
| 50 | Henry Owens | 38 | Head | Attendant | Kentucky |
| 51 | Joyce Owens | 34 | Wife | — | Kentucky |
| 52 | James H. Owens | 10 | Son | — | Kentucky |
| 53 | Martha Louise Owens | 1 | Daughter | — | Kentucky |
| 54 | Henry Ward | 46 | Head | Farmer | Kentucky |
| 55 | Malta Ward | 34 | Wife | — | Kentucky |
| 56 | Betty Jo Ward | 15 | Daughter | — | Kentucky |
| 57 | Mary Lou Ward | 13 | Daughter | — | Kentucky |
| 58 | Henry Paul Ward | 12 | Son | — | Kentucky |
| 59 | Imogene Ward | 10 | Daughter | — | Kentucky |
| 60 | Glenn Pelphrey | 30 | Head | Farmer | Kentucky |
| 61 | Marie Pelphrey | 24 | Wife | — | Kentucky |
| 62 | Lewis Blevins | 42 | Head | Merchant | Kentucky |
| 63 | Alla Blevins | 46 | Wife | — | Kentucky |
| 64 | Clyde Blevins | 22 | Son | Newsworker | Kentucky |
| 65 | Ernest Turner | 67 | Head | — | Kentucky |
| 66 | Flossie Turner | 40 | Wife | — | Kentucky |
| 67 | Albert Johnson | 49 | Head | Clerk | Kentucky |
| 68 | Louella Johnson | 51 | Wife | Teacher | Kentucky |
| 69 | Carrolton Earl Johnson | 22 | Son | Teacher | Kentucky |
| 70 | Virginia P. Johnson | 20 | Daughter | — | Kentucky |
| 71 | Fred Ward | 46 | Head | Farmer | Kentucky |
| 72 | Mary Ward | 36 | Wife | — | Kentucky |
| 73 | Dalla Ward | 18 | Daughter | — | Kentucky |
| 74 | Christine Ward | 16 | Daughter | — | Kentucky |
| 75 | Etta Mae Ward | 14 | Daughter | — | Kentucky |
| 76 | Alberta Louise Ward | 8 | Daughter | — | Kentucky |
| 77 | Frances Anne Ward | 1 | Daughter | — | Kentucky |
| 78 | Zeb Webb | 27 | Head | Miner | Kentucky |
| 79 | Bonnie Webb | 27 | Wife | — | Kentucky |
| 80 | Aaron Webb | 9 | Son | — | Kentucky |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)