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Mary Mckenzie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pike-County, Alabama
Our Model Tree links this Mary Mckenzie across the 1930 and 1940 US Censuses in Pike-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pike-County, Alabama |
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pike |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 13 |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eugene Mckenzie | Son | — | 6 | ~1934 |
| Mary Mckenzie | Daughter | — | 11 | ~1929 |
| John Mckenzie | Son | — | 14 | ~1926 |
| Andrew Mckenzie | Head | — | 41 | ~1899 |
| Annie Mckenzie | Spouse | — | 40 | ~1900 |
| James Mckenzie | Son | — | 18 | ~1922 |
| Bradley Mckenzie | Son | — | 16 | ~1924 |
| Howell Mckenzie | Son | — | 3 | ~1937 |
Census Appearances
1930
Pike, Alabama
Daughter, age 1
Pike, Alabama · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Pike-County, Alabama
Daughter, age 11
Pike-County, Alabama · implied b. ~1929 — 8 household members
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pike |
| Highest Grade | No 1 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mckenzie
Daughter · 1940 · age 11 · b. ~1929 · Alabama
★ You are viewing this record
Sibling
Howell Mckenzie
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mckenzie
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mckenzie
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bradley Mckenzie
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mckenzie
Sibling · 1940 · age 14
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 — Pike-County, Alabama
Open full size
1940 US Federal Census — Pike-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00075-00812)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Mckenzie | 41 | Head | Farm Labor | Alabama |
| 42 | Annie Mckenzie | 40 | Wife | — | Alabama |
| 43 | James E Mckenzie | 18 | Son | Farm Labor | Alabama |
| 44 | Bradley Mckenzie | 16 | Son | Farm Labor | Alabama |
| 45 | John Wilson Mckenzie | 14 | Son | Farm Labor | Alabama |
| 46 | Mary Mckenzie THIS PERSON | 11 | Daughter | — | Alabama |
| 47 | Eugene Mckenzie | 6 | Son | — | Alabama |
| 48 | Howell Mckenzie | 3 | Son | — | Alabama |
| 49 | Frank Faulkner | 65 | Head | Farmer | Alabama |
| 50 | Mattie Faulkner | 62 | Wife | — | Alabama |
| 51 | James Faulkner | 18 | Son | Farm Labor | Alabama |
| 52 | Horace Davis | 40 | Head | Farmer | Alabama |
| 53 | Annie Pearl Davis | 34 | Wife | — | Alabama |
| 54 | Lavon Davis | 5 | Son | — | Alabama |
| 55 | Luther Reeves | 37 | Head | Farmer | Alabama |
| 56 | Effie Reeves | 37 | Wife | — | Alabama |
| 57 | Virginia Reeves | 17 | Daughter | — | Alabama |
| 58 | Jannie Lou Reeves | 11 | Daughter | — | Alabama |
| 59 | Mary Edna Reeves | 4 | Daughter | — | Alabama |
| 60 | Martha Martin | 78 | Head | — | Alabama |
| 61 | Elizabeth Martin | 53 | Daughter | — | Alabama |
| 62 | Tullie D Martin | 34 | Son | Farmer | Alabama |
| 63 | Edna Simmons | 56 | Head | Farmer | Alabama |
| 64 | Vee Simmons | 40 | Wife | — | Alabama |
| 65 | J. David Faulkner | 40 | Head | Farmer | Alabama |
| 66 | Annie J Faulkner | 34 | Wife | — | Alabama |
| 67 | John W Faulkner | 15 | Son | Farm Labor | Alabama |
| 68 | Mary Annie Faulkner | 13 | Daughter | — | Alabama |
| 69 | Laline Faulkner | 11 | Daughter | — | Alabama |
| 70 | Johnnie Jr Faulkner | 8 | Son | — | Alabama |
| 71 | George Thomas Faulkner | 2 | Son | — | Alabama |
| 72 | Lizzie Davenport | 48 | Head | Farm Labor | Alabama |
| 73 | John Thomas Davenport | 13 | Son | — | Alabama |
| 74 | Eince Collins | 51 | Head | Farmer | Alabama |
| 75 | Annie Jane Collins | 49 | Wife | — | Alabama |
| 76 | John E Collins | 19 | Son | Farm Labor | Alabama |
| 77 | Roy Lee Collins | 9 | Son | — | Alabama |
| 78 | William Reaves | 43 | Head | Farmer | Alabama |
| 79 | Katie Lee Reaves | 50 | Wife | — | Alabama |
| 80 | William S Reaves | 21 | Son | C.C.C. Camp | Alabama |
Related Census Records
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)