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Mary Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Williamsburg, South Carolina
Our Model Tree links this Mary Barr across the 1920 and 1930 US Censuses in Williamsburg, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 9-person household.
Age 16
b. ~1914
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Williamsburg, South Carolina |
| Surname | Barr |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Johnson Township Pt Of |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Barr | Son | — | 20 | ~1910 |
| Yankey Barr | Daughter | — | 14 | ~1916 |
| Phonix Barr | Daughter | — | 12 | ~1918 |
| Mary Barr | Daughter | — | 16 | ~1914 |
| Letha Barr | Daughter | — | 5 | ~1925 |
| Josephine Barr | Other | — | 43 | ~1887 |
| Mikel Barr | Head | — | 44 | ~1886 |
| M Barr | Son | — | 9 | ~1921 |
| Manna Barr | Son | — | 18 | ~1912 |
Census Appearances
1920
Williamsburg, South …
Daughter, age 5
Williamsburg, South Carolina · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Williamsburg, South …
Daughter, age 16
Williamsburg, South Carolina · implied b. ~1914 — 9 household members
| Surname | Barr |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| 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 Barr across 2 US Census years (1920 and 1930) in Williamsburg, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barr
Daughter · 1930 · age 16 · b. ~1914 · South Carolina
★ You are viewing this record
Sibling
Manna Barr
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Barr
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Yankey Barr
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Letha Barr
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phonix Barr
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Barr
Sibling · 1930 · age 9
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 — Williamsburg, South Carolina
Open full size
1930 US Federal Census — Williamsburg, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2215unit:1001)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jaunite | 1 | Daughter | — | South Carolina |
| 52 | Maggie Mccown | 65 | Mother-in-law | — | South Carolina |
| 53 | Gladys M. Mccown | 4 | Niece-in-law | — | South Carolina |
| 54 | Herbert Hughes | 42 | Head | Surveyor | South Carolina |
| 55 | Nita Hughes | 32 | Wife-H | — | South Carolina |
| 56 | Katherine Hughes | 11 | Daughter | — | South Carolina |
| 57 | Frank Hughes | 9 | Son | — | South Carolina |
| 58 | John B. Hughes | 4 | Son | — | South Carolina |
| 59 | Alex Snowden | 56 | Head | Farmer | South Carolina |
| 60 | Rosadel Snowden | 38 | Wife-H | Farm Laborer | South Carolina |
| 61 | Susanna Snowden | 17 | Daughter | Farm Laborer | South Carolina |
| 62 | Joseph Lewis | 17 | Stepson | Farm Laborer | South Carolina |
| 63 | Elizabeth Lewis | 16 | Step-daughter | Farm Laborer | South Carolina |
| 64 | Roosevelt Snowden | 0 | Son | — | South Carolina |
| 65 | Elmer Gray | 54 | Head | General Labor | North Carolina |
| 66 | Rosa Gray | 38 | Wife-H | — | South Carolina |
| 67 | Louie Gray | 17 | Daughter | Farm Laborer | South Carolina |
| 68 | Letha Gray | 10 | Daughter | — | South Carolina |
| 69 | John Borden | 64 | Head | Farmer | North Carolina |
| 70 | Lula Borden | 64 | Wife-H | — | South Carolina |
| 71 | James Brown | 19 | Son | Farm Laborer | South Carolina |
| 72 | Rosa L. Brown | 14 | Daughter | Farm Laborer | South Carolina |
| 73 | Annie Brown | 12 | Daughter | Farm Laborer | South Carolina |
| 74 | Josephine Richardson | 17 | Boarder | Farm Laborer | South Carolina |
| 75 | Lucile Hart | 7 | Niece-in-law | — | South Carolina |
| 76 | Doyle A. Snowden | 30 | Head | Farmer | South Carolina |
| 77 | Velma E. Snowden | 25 | Wife-H | — | South Carolina |
| 78 | Aldine Snowden | 8 | Son | — | South Carolina |
| 79 | Laura N. Snowden | 6 | Daughter | — | South Carolina |
| 80 | Alma L. Snowden | 4 | Daughter | — | South Carolina |
| 81 | Odell Snowden | 1 | Son | — | South Carolina |
| 82 | Elizabeth Scott | 42 | Head-H | Laundress | South Carolina |
| 83 | Walter Scott | 18 | Son | — | South Carolina |
| 84 | Myers J. Mcculden | 53 | Head | Farmer | South Carolina |
| 85 | Jeanette Mcculden | 46 | Wife-H | — | South Carolina |
| 86 | Eda Mcculden | 18 | Daughter | Farm Laborer | South Carolina |
| 87 | Mellie Mcculden | 11 | Daughter | — | South Carolina |
| 88 | Lois Mcculden | 6 | Daughter | — | South Carolina |
| 89 | James M. Mcculden | 80 | Father | — | South Carolina |
| 90 | Mikel B. Barr | 44 | Head | Farmer | South Carolina |
| 91 | Josephine Barr | 43 | Wife-H | Farm Laborer | South Carolina |
| 92 | George Barr | 20 | Son | Farm Laborer | South Carolina |
| 93 | Manna Q. Barr | 18 | Son | Farm Laborer | South Carolina |
| 94 | Mary M. Barr THIS PERSON | 16 | Daughter | Farm Laborer | South Carolina |
| 95 | Yankey Barr | 14 | Daughter | Farm Laborer | South Carolina |
| 96 | Phonix A. Barr | 12 | Daughter | Farm Laborer | South Carolina |
| 97 | M. B. Barr | 9 | Son | — | South Carolina |
| 98 | Letha Barr | 5 | Daughter | — | South Carolina |
| 99 | Daniel Crosby | 23 | Head | Farmer | South Carolina |
| 100 | Ludie Crosby | 26 | Wife-H | Farm Laborer | 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)