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Mamie Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sumter, South Carolina
Our Model Tree links this Mamie Williams across the 1930 and 1940 US Censuses in Sumter, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 12-person household.
Age 10
b. ~1920
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sumter, South Carolina |
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| 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 | Sumter Township |
| Est. Birth Year | ~1920 |
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 Mamie | Age | Birth yr |
|---|---|---|---|---|
| Katherine Williams | Daughter | — | 15 | ~1915 |
| Rosa Williams | Daughter | — | 3 | ~1927 |
| Blanche Williams | Daughter | — | 13 | ~1917 |
| Leona Williams | Daughter | — | 9 | ~1921 |
| Mamie Williams | Daughter | — | 10 | ~1920 |
| Virginia Williams | Daughter | — | 1 | ~1929 |
| Thomas Williams | Head | — | 34 | ~1896 |
| Grace Williams | Other | — | 13 | ~1917 |
| Wesley Williams | Son | — | 6 | ~1924 |
| Waties Williams | Son | — | 3 | ~1927 |
| Thomas Williams | Son | — | 8 | ~1922 |
| Mary Williams | Spouse | — | 33 | ~1897 |
Census Appearances
1930
Sumter, South …
Daughter, age 10
Sumter, South Carolina · implied b. ~1920 — 12 household members
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| 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 |
1940
Sumter-County, South …
Spouse, age 19
Sumter-County, South Carolina · implied b. ~1921 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter township |
| 1935 Residence (County) | Sumter |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | No 0 |
| 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 Mamie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mamie Williams
Daughter · 1930 · age 10 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Waties Williams
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Williams
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Williams
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Williams
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Williams
Sibling · 1930 · age 8
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 — Sumter, South Carolina
Open full size
1930 US Federal Census — Sumter, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2214unit:0513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Isaac Mack | 44 | Head | Farmer | South Carolina |
| 52 | Frances Mack | 40 | Wife | — | South Carolina |
| 53 | Isaac Mack | 7 | Son | — | South Carolina |
| 54 | Sammie Mack | 18 | Head | Laborer | South Carolina |
| 55 | Eleanora Mack | 17 | Wife | — | South Carolina |
| 56 | Billie Johnson | 55 | Head | Laborer | South Carolina |
| 57 | Julia Johnson | 35 | Wife | Laborer | South Carolina |
| 58 | Thomas Williams | 34 | Head | Laborer | South Carolina |
| 59 | Mary Williams | 33 | Wife | Laborer | South Carolina |
| 60 | Grace Williams | 13 | Step-Daughter | — | South Carolina |
| 61 | Katherine Williams | 15 | Daughter | Laborer | South Carolina |
| 62 | Blanche Williams | 13 | Daughter | — | South Carolina |
| 63 | Mamie Williams THIS PERSON | 10 | Daughter | — | South Carolina |
| 64 | Leona B. Williams | 9 | Daughter | — | South Carolina |
| 65 | Thomas Jr. Williams | 8 | Son | — | South Carolina |
| 66 | Wesley Williams | 6 | Son | — | South Carolina |
| 67 | Waties Williams | 3 | Son | — | South Carolina |
| 68 | Rosa Mae Williams | 3 | Daughter | — | South Carolina |
| 69 | Virginia Williams | 1 | Daughter | — | South Carolina |
| 70 | Adam Brisbon | 73 | Head | Carpenter | South Carolina |
| 71 | Clara Brisbon | 50 | Wife | Laborer | South Carolina |
| 72 | Maria Watkes | 19 | G-Daughter | Laborer | South Carolina |
| 73 | Masena Lenya | 17 | G-Son | Laborer | South Carolina |
| 74 | Peter Fronberger | 72 | Head | Farmer | South Carolina |
| 75 | Rosa Fronberger | 57 | Wife | Laborer | South Carolina |
| 76 | Jane Fronberger | 23 | Daughter | Laborer | South Carolina |
| 77 | James Fronberger | 21 | Son | Laborer | South Carolina |
| 78 | Julia Fronberger | 17 | Daughter | Laborer | South Carolina |
| 79 | Bertha Fronberger | 15 | Daughter | Laborer | South Carolina |
| 80 | Essie Fronberger | 10 | Daughter | — | South Carolina |
| 81 | Geneva Fronberger | 9 | Daughter | — | South Carolina |
| 82 | Charlie Fronberger | 5 | Son | — | South Carolina |
| 83 | Felix Fronberger | 1 | Son | — | South Carolina |
| 84 | John Jenkins | 12 | G-Son | — | South Carolina |
| 85 | Lod Ida Cantey | 30 | Head | Laborer | South Carolina |
| 86 | Fannie N. Cantey | 13 | Daughter | — | South Carolina |
| 87 | Leva Cantey | 10 | Daughter | — | South Carolina |
| 88 | Sam Wilson | 55 | Head | Farmer | South Carolina |
| 89 | Isabelle Wilson | 40 | Wife | Laborer | South Carolina |
| 90 | Maggie Wilson | 11 | Daughter | Laborer | South Carolina |
| 91 | Frank Wilson | 9 | Son | — | South Carolina |
| 92 | Rosa B. Wilson | 5 | Daughter | — | South Carolina |
| 93 | Robert Ricks | 20 | Step-Son | Laborer | South Carolina |
| 94 | Mungo Ricks | 19 | Step-Son | Laborer | South Carolina |
| 95 | Ada Ricks | 21 | Step-Daughter | Laborer | South Carolina |
| 96 | Charlie Ricks | 16 | Step-Son | Laborer | South Carolina |
| 97 | Mary Ricks | 18 | Step-Daughter | Laborer | South Carolina |
| 98 | Henry Ricks | 14 | Step-Son | Laborer | South Carolina |
| 99 | Jerry Ricks | 12 | Step-Son | Laborer | South Carolina |
| 100 | Eva E. Ricks | 13 | Step-Daughter | 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)