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Mary Mckenzie — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Kentucky
Our Model Tree links this Mary Mckenzie across the 1920, 1930 and 1940 US Censuses in Johnson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Lee & Ora — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kentucky |
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District #4 |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 4 |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mckenzie | Daughter | — | 24 | ~1916 |
| Manda Mckenzie | Head | — | 66 | ~1874 |
| Nelson Mckenzie | Son | — | 30 | ~1910 |
Census Appearances
1920
Johnson, Kentucky
Daughter, age 3
Johnson, Kentucky · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Johnson, Kentucky
Daughter, age 13
Johnson, Kentucky · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | Margie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Johnson-County, Kentucky
Daughter, age 24
Johnson-County, Kentucky · implied b. ~1916 — 3 household members
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District #4 |
| 1935 Residence (County) | Johnson |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Mary Mckenzie across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Mckenzie (~0.92 confidence) and father Ora Mckenzie (~0.92 confidence) and mother Laura Mckenzie (~0.92 confidence) and mother Manda Mckenzie (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Mckenzie
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Ora Mckenzie
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Laura Mckenzie
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Manda Mckenzie
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mckenzie
Daughter · 1940 · age 24 · b. ~1916 · Kentucky
★ You are viewing this record
Sibling
Nelson Mckenzie
Sibling · 1940 · age 30
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 — 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-t0627-01322-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry B Lemaster | 34 | Head | Laborer | Kentucky |
| 42 | Jewel O Lemaster | 24 | Wife | — | Kentucky |
| 43 | Paul Lemaster | 6 | Son | — | Kentucky |
| 44 | Willie May Lemaster | 4 | Daughter | — | Kentucky |
| 45 | Billy E Lemaster | 2 | Son | — | Kentucky |
| 46 | Cecil Ray Lemaster | 0 | Son | — | Kentucky |
| 47 | Cassabianca C Wheeler | 67 | Head | Medical Doctor | Kentucky |
| 48 | Fanny May Wheeler | 57 | Wife | — | Kentucky |
| 49 | Paul A Garland | 21 | Step-son | — | Kentucky |
| 50 | Evelyn Garland | 19 | Step-daughter | — | Kentucky |
| 51 | James Garland | 16 | Step-son | Helper | Kentucky |
| 52 | Walter Mckenzie | 28 | Head | Laborer | Kentucky |
| 53 | Harriet O Mckenzie | 26 | Wife | — | Kentucky |
| 54 | Francis M Mckenzie | 1 | Son | — | Kentucky |
| 55 | Virgil Davis | 36 | Head | Bus Driver | Kentucky |
| 56 | Stella Davis | 24 | Wife | — | Kentucky |
| 57 | Berta Belle Davis | 5 | Daughter | — | Kentucky |
| 58 | James P Davis | 1 | Son | — | Kentucky |
| 59 | Manda O Mckenzie | 66 | Head | Farmer | Kentucky |
| 60 | Mary Mckenzie THIS PERSON | 24 | Daughter | — | Kentucky |
| 61 | Nelson Mckenzie | 30 | Son | Laborer | Kentucky |
| 62 | Ray Mckenzie | 53 | Head | Time Keeper | Kentucky |
| 63 | Beaulah Mckenzie | 29 | Wife | — | Kentucky |
| 64 | Joy Mckenzie | 8 | Daughter | — | Kentucky |
| 65 | Clara M Mckenzie | 7 | Daughter | — | Kentucky |
| 66 | Daren R Mckenzie | 5 | Son | — | Kentucky |
| 67 | Hardy H Skaggs | 49 | Head | Farmer | Kentucky |
| 68 | Dessie Skaggs | 46 | Wife | — | Kentucky |
| 69 | Oscar C Skaggs | 26 | Son | Bookkeeper | Kentucky |
| 70 | Ben R Wheeler | 82 | Head | — | Kentucky |
| 71 | Cynthia Wheeler | 79 | Wife | — | Kentucky |
| 72 | Millard Conley | 44 | Head | Farmer | Kentucky |
| 73 | Delphia D Conley | 39 | Wife | — | Kentucky |
| 74 | Ada Conley | 20 | Daughter | — | Kentucky |
| 75 | Esther Conley | 12 | Daughter | — | Kentucky |
| 76 | Loretta Conley | 11 | Daughter | — | Kentucky |
| 77 | Garnet Lee Conley | 2 | Son | — | Kentucky |
| 78 | Henzie Crisip | 39 | Head | Laborer | Kentucky |
| 79 | Ellen Crisip | 35 | Wife | — | Kentucky |
| 80 | Mabel Lemaster | 16 | Step-daughter | — | Kentucky |
Pedigree Summary
Mary + 1 sibling
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)