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Mary Mckenzie — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Richland, South Carolina
Our Model Tree links this Mary Mckenzie across the 1930 and 1940 US Censuses in Richland, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 6-person household.
Age 12
b. ~1918
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Richland, South Carolina |
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Highland Township |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mckenzie | Daughter | — | 12 | ~1918 |
| Leroy Mckenzie | Son | — | 19 | ~1911 |
| James Mckenzie | Son | — | 21 | ~1909 |
| Jennie Mckenzie | Spouse | — | 44 | ~1886 |
| Jim Mckenzie | Head | — | 49 | ~1881 |
| Willie Mckenzie | Son | — | 16 | ~1914 |
Census Appearances
1930
Richland, South …
Daughter, age 12
Richland, South Carolina · implied b. ~1918 — 6 household members
| Surname | McKenzie |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Spouse, age 23
Richland-County, South Carolina · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | Mamie B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | School District 10 - Hopkins |
| 1935 Residence (County) | Richland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Hours Worked | 20 |
| Income (1939) | 13 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 · 1930 · age 12 · b. ~1918 · South Carolina
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Sibling
Leroy Mckenzie
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mckenzie
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Mckenzie
Sibling · 1930 · age 16
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
1930 US Federal Census — Richland, South Carolina
Open full size
1930 US Federal Census — Richland, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2209unit:1027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Trudy Martin | 34 | Head | Farmer | South Carolina |
| 52 | Sarah Martin | 30 | Wife | — | South Carolina |
| 53 | Mary E. Martin | 7 | Daughter | — | South Carolina |
| 54 | Herbert Johnson | 35 | Head | Farmer | South Carolina |
| 55 | Annie Johnson | 27 | Wife | — | South Carolina |
| 56 | Eretta Johnson | 5 | Daughter | — | South Carolina |
| 57 | Herbert Jr. Johnson | 3 | Son | — | South Carolina |
| 58 | Jack Johnson | 1 | Son | — | South Carolina |
| 59 | Morris Gunter | 40 | Head | Laborer | South Carolina |
| 60 | Millie Gunter | 32 | Wife | — | South Carolina |
| 61 | Dorothy Brown | 9 | Step Daughter | — | South Carolina |
| 62 | Walter Brown | 7 | Step Son | — | South Carolina |
| 63 | Joel Gibson | 60 | Boarder | Laborer | South Carolina |
| 64 | Elijah Goodwin | 32 | Head | Laborer | South Carolina |
| 65 | Albert Goodwin | 15 | Son | Laborer | South Carolina |
| 66 | Beverly Goodwin | 14 | Son | Laborer | South Carolina |
| 67 | George Goodwin | 12 | Son | Laborer | South Carolina |
| 68 | Emily Goodwin | 8 | Son | — | South Carolina |
| 69 | John Goodwin | 5 | Son | — | South Carolina |
| 70 | Mattie Goodwin | 3 | Daughter | — | South Carolina |
| 71 | Annie Goodwin | 30 | Head | Laborer | South Carolina |
| 72 | Maggie Goodwin | 10 | Daughter | Laborer | South Carolina |
| 73 | Willie May Goodwin | 11 | Daughter | Laborer | South Carolina |
| 74 | James Goodwin | 7 | Son | — | South Carolina |
| 75 | James Borden | 40 | Head | Laborer | South Carolina |
| 76 | Alice Borden | 30 | Wife | — | South Carolina |
| 77 | Johnnie Gibson | 16 | Son | Laborer | South Carolina |
| 78 | James Gibson | 15 | Son | Laborer | South Carolina |
| 79 | Freddie Borden | 9 | Son | — | South Carolina |
| 80 | Peggy Borden | 7 | Daughter | — | South Carolina |
| 81 | Sylvia Borden | 5 | Daughter | — | South Carolina |
| 82 | Jim Mckenzie | 49 | Head | Farmer | South Carolina |
| 83 | Jennie Mckenzie | 44 | Wife | — | South Carolina |
| 84 | James Mckenzie | 21 | Son | — | South Carolina |
| 85 | Leroy Mckenzie | 19 | Son | Laborer | South Carolina |
| 86 | Willie Mckenzie | 16 | Son | Laborer | South Carolina |
| 87 | Mary Mckenzie THIS PERSON | 12 | Daughter | — | South Carolina |
| 88 | Robert Jones | 25 | Head | — | South Carolina |
| 89 | David Jones | 37 | Son | Laborer | South Carolina |
| 90 | Janice Bowman | 6 | Daughter | — | South Carolina |
| 91 | Prince Taylor | 5 | Son | — | South Carolina |
| 92 | Edward Richardson | 4 | Boarder | — | South Carolina |
| 93 | Mayrd Gunter | 25 | Head | Laborer | South Carolina |
| 94 | Easter Gunter | 14 | Sister | Laborer | South Carolina |
| 95 | Richard Gunter | 12 | Brother | — | South Carolina |
| 96 | George Henry | 68 | Head | Farmer | South Carolina |
| 97 | Lydia Henry | 60 | Wife | — | South Carolina |
| 98 | Melvin W. Henry | 40 | Son | Farmer | South Carolina |
| 99 | Elsie Henry | 22 | Wife | — | South Carolina |
| 100 | George H. Henry | 1 | Son | — | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)