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Mary Mclean — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marlboro, South Carolina
Our Model Tree links this Mary Mclean across the 1920 and 1930 US Censuses in Marlboro, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 12-person household.
Age 12
b. ~1918
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marlboro, South Carolina |
| Surname | McLean |
| 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 | |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Brightsville 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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lula Mclean | Daughter | — | 20 | ~1910 |
| Hattie Mclean | Daughter | — | 7 | ~1923 |
| Lillie Mclean | Daughter | — | 18 | ~1912 |
| Daughter Mclean | Daughter | — | 2 | ~1928 |
| Lizzie Mclean | Daughter | — | 10 | ~1920 |
| Mary Mclean | Daughter | — | 12 | ~1918 |
| Arthur Mclean | Head | — | 55 | ~1875 |
| John Mclean | Son | — | 5 | ~1925 |
| Arthur Mclean | Son | — | 16 | ~1914 |
| Willie Mclean | Son | — | 8 | ~1922 |
| James Mclean | Son | — | 14 | ~1916 |
| Lillie Mclean | Spouse | — | 45 | ~1885 |
Census Appearances
1920
Marlboro, South …
Daughter, age 3
Marlboro, South Carolina · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| 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 |
1930
Marlboro, South …
Daughter, age 12
Marlboro, South Carolina · implied b. ~1918 — 12 household members
| Surname | McLean |
| 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 |
| Can Read/Write | Yes |
| 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 Mclean across 2 US Census years (1920 and 1930) in Marlboro, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mclean
Daughter · 1930 · age 12 · b. ~1918 · South Carolina
★ You are viewing this record
Sibling
Willie Mclean
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mclean
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Mclean
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Mclean
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lizzie Mclean
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Mclean
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclean
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mclean
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daughter Mclean
Sibling · 1930 · age 2
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 — Marlboro, South Carolina
Open full size
1930 US Federal Census — Marlboro, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2205unit:0893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Milton Peterson | 43 | Head | Farmer | South Carolina |
| 52 | Mary Peterson | 28 | Wife | — | South Carolina |
| 53 | James Mitchell | 30 | Head | Farmer | South Carolina |
| 54 | Mary Mitchell | 21 | Wife | — | South Carolina |
| 55 | William H Mitchell | 2 | Son | Laborer | South Carolina |
| 56 | Rosa Mitchell | 1 | Daughter | — | South Carolina |
| 57 | Mary Lee Mitchell | 0 | Daughter | — | South Carolina |
| 58 | Jerry Mitchell | 14 | Son | — | South Carolina |
| 59 | Lizzie Mitchell | 12 | Daughter | — | South Carolina |
| 60 | Mitchell J Mitchell | 11 | Son | — | South Carolina |
| 61 | Maggie Mitchell | 10 | Daughter | — | South Carolina |
| 62 | Florence Mitchell | 8 | Daughter | — | South Carolina |
| 63 | James Mitchell | 6 | Son | — | South Carolina |
| 64 | Bessie Lee Mitchell | 21 | Sister | — | South Carolina |
| 65 | Julian Beaty | 52 | Head | Farmer | South Carolina |
| 66 | Annie Beaty | 30 | Wife | — | South Carolina |
| 67 | Lizzie Beaty | 12 | Daughter | — | South Carolina |
| 68 | Julian Jr Beaty | 10 | Son | — | South Carolina |
| 69 | John Thompson | 33 | Head | Farmer | South Carolina |
| 70 | Annie H Thompson | 22 | Wife | — | South Carolina |
| 71 | Thelma Thompson | 4 | Daughter | — | South Carolina |
| 72 | Arthur Mclean | 55 | Head | Farmer | South Carolina |
| 73 | Lillie Mclean | 45 | Wife | — | South Carolina |
| 74 | Lula H Mclean | 20 | Daughter | — | South Carolina |
| 75 | Lillie Mclean | 18 | Daughter | — | South Carolina |
| 76 | Arthur Jr Mclean | 16 | Son | — | South Carolina |
| 77 | James Mclean | 14 | Son | — | South Carolina |
| 78 | Mary Mclean THIS PERSON | 12 | Daughter | — | South Carolina |
| 79 | Lizzie Mclean | 10 | Daughter | — | South Carolina |
| 80 | Willie Mclean | 8 | Son | — | South Carolina |
| 81 | Hattie Mclean | 7 | Daughter | — | South Carolina |
| 82 | John Mclean | 5 | Son | — | South Carolina |
| 83 | Daughter Mclean | 2 | Daughter | — | South Carolina |
| 84 | John Mclean | 60 | Head | Farmer | South Carolina |
| 85 | Sarah Mclean | 52 | Wife | — | South Carolina |
| 86 | John Jr Mclean | 22 | Son | — | South Carolina |
| 87 | Melva Mclean | 21 | Daughter | — | South Carolina |
| 88 | Lillie B Mclean | 16 | Daughter | — | South Carolina |
| 89 | Eton Mclean | 12 | Son | — | South Carolina |
| 90 | Mack Bolin | 61 | Head | Farmer | South Carolina |
| 91 | Carrie Bolin | 51 | Wife | — | South Carolina |
| 92 | James Bolin | 21 | Son | — | South Carolina |
| 93 | Charles Bolin | 18 | Son | — | South Carolina |
| 94 | John Bolin | 16 | Son | — | South Carolina |
| 95 | Lula Bell Bolin | 14 | Daughter | — | South Carolina |
| 96 | Lizzie Bolin | 21 | Daughter | — | South Carolina |
| 97 | Annie L Bolin | 7 | Daughter | — | South Carolina |
| 98 | Lizzie Bolin | 5 | Daughter | — | South Carolina |
| 99 | George Covington | 40 | Head | Farmer | South Carolina |
| 100 | Lula H Covington | 35 | Wife | — | 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)