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Mary Mckenzie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wilcox-County, Alabama
Our Model Tree links this Mary Mckenzie across the 1930 and 1940 US Censuses in Wilcox-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilcox-County, Alabama |
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Pine Apple Prec 14 |
| 1935 Residence (County) | Wilcox |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Lumber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Stenographer |
| Township / Ward | Pine Apple Prec 14 |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Essie Mckenzie | Spouse | — | 54 | ~1886 |
| Mary Mckenzie | Daughter | — | 26 | ~1914 |
| Richard Mckenzie | Head | — | 62 | ~1878 |
| Royce Mckenzie | Son | — | 30 | ~1910 |
| Ruth Mckenzie | Daughter | — | 19 | ~1921 |
| Dan Mckenzie | Son | — | 16 | ~1924 |
Census Appearances
1930
Wilcox, Alabama
Daughter, age 16
Wilcox, Alabama · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Wilcox-County, Alabama
Daughter, age 26
Wilcox-County, Alabama · implied b. ~1914 — 6 household members
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Pine Apple Prec 14 |
| 1935 Residence (County) | Wilcox |
| Occupation | Stenographer |
| Industry | Lumber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 26 · b. ~1914 · Alabama
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Sibling
Dan Mckenzie
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mckenzie
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Royce 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 — Wilcox-County, Alabama
Open full size
1940 US Federal Census — Wilcox-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00089-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard E. Mckenzie | 62 | Head | Land Agent | Alabama |
| 42 | Essie M. Mckenzie | 54 | Wife | — | Alabama |
| 43 | Royce B. Mckenzie | 30 | Son | Logging | Alabama |
| 44 | Mary Mckenzie THIS PERSON | 26 | Daughter | Stenographer | Alabama |
| 45 | Ruth Mckenzie | 19 | Daughter | — | Alabama |
| 46 | Dan Mckenzie | 16 | Son | — | Alabama |
| 47 | Dock D. Andrews | 49 | Head | Cook | Alabama |
| 48 | Jack H. Williams | 61 | Head | General Housework | Alabama |
| 49 | Willie Lee Williams | 25 | Wife | — | Alabama |
| 50 | Sally B. Williams | 7 | Daughter | — | Alabama |
| 51 | Jack Jr. Williams | 4 | Son | — | Alabama |
| 52 | Ben A. Williams | 1 | Son | — | Alabama |
| 53 | Marion L. Peel | 33 | Head | Auto Mechanic | Alabama |
| 54 | Alga Peel | 33 | Wife | — | Alabama |
| 55 | Mary M. Peel | 4 | Daughter | — | Alabama |
| 56 | David A. Russell | 49 | Head | Mill Foreman | Alabama |
| 57 | Bama Russell | 47 | Wife | — | Alabama |
| 58 | Katherine Russell | 25 | Daughter | — | Alabama |
| 59 | Fred Russell | 23 | Son | Truck Driver | Alabama |
| 60 | Ray Russell | 19 | Son | Labor | Alabama |
| 61 | Billy G. Russell | 12 | Daughter | — | Alabama |
| 62 | Edwin C. Russell | 37 | Nephew | Labor | Alabama |
| 63 | Leonard W. Nalla | 28 | Head | Grader | Alabama |
| 64 | Lydia M. Nalla | 23 | Wife | — | Alabama |
| 65 | Leonard Jr. Nalla | 1 | Son | — | Alabama |
| 66 | Bettie J. Nalla | 3 | Daughter | — | Alabama |
| 67 | William H. Brown | 37 | Head | Mill Wright | Alabama |
| 68 | Emella Brown | 36 | Wife | — | Alabama |
| 69 | Hillary Brown | 16 | Son | — | Alabama |
| 70 | John W. Brown | 13 | Son | — | Alabama |
| 71 | Bernard Brown | 11 | Son | — | Alabama |
| 72 | Mary Brown | 8 | Daughter | — | Alabama |
| 73 | Betty J. Brown | 6 | Daughter | — | Alabama |
| 74 | John H. Reeley | 39 | Head | Labor | Alabama |
| 75 | Lucie Reeley | 66 | Mother | — | Alabama |
| 76 | Mittie D. Reeley | 34 | Sister | — | Alabama |
| 77 | Bob Burford | 31 | Head | Labor | Alabama |
| 78 | Georgia L. Burford | 29 | Wife | — | Alabama |
| 79 | Bob Jr. Burford | 9 | Son | — | Alabama |
| 80 | Sallie Melton | 31 | Head | Labor | Alabama |
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)