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Thelma Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Florence, South Carolina
Our Model Tree links this Thelma Williams across the 1930 and 1940 US Censuses in Florence, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 3
b. ~1927
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Florence, South Carolina |
| Surname | Williams |
| Given Name | Thelma |
| 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 |
| Additional Details | |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Mcmillan Township |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Lula Williams | Daughter | — | 13 | ~1917 |
| Herman Williams | Daughter | — | 10 | ~1920 |
| Alberta Williams | Daughter | — | 8 | ~1922 |
| Thelma Williams | Daughter | — | 3 | ~1927 |
| Jesse Williams | Daughter | — | 14 | ~1916 |
| Bessie Williams | Daughter | — | 5 | ~1925 |
| Nathaniel Williams | Head | — | 36 | ~1894 |
| Fannie Cade | Other | — | 62 | ~1868 |
| A Williams | Son | — | 1 | ~1929 |
| Nathaniel Williams | Son | — | 1 | ~1929 |
| Lizzie Williams | Spouse | — | 39 | ~1891 |
Census Appearances
1930
Florence, South …
Daughter, age 3
Florence, South Carolina · implied b. ~1927 — 11 household members
| Surname | Williams |
| Given Name | Thelma |
| 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 |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Florence-County, South …
Daughter, age 14
Florence-County, South Carolina · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Trevata |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Cowards (Village) |
| Occupation | Farm |
| Industry | PW |
| Class of Worker | 388 |
| Hours Worked | 40 |
| Highest Grade | No 5 |
| 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 Thelma Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Williams
Daughter · 1930 · age 3 · b. ~1927 · South Carolina
★ You are viewing this record
Sibling
Herman Williams
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nathaniel Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
A Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Williams
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Williams
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Williams
Sibling · 1930 · age 14
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 — Florence, South Carolina
Open full size
1930 US Federal Census — Florence, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2197unit:0427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | E. L. Cox | 48 | Head | Farmer | South Carolina |
| 52 | Ula Cox | 38 | Wife | — | South Carolina |
| 53 | Pearl Cox | 18 | Daughter | — | South Carolina |
| 54 | John Mack Cox | 15 | Son | — | South Carolina |
| 55 | Stanley Cox | 13 | Son | — | South Carolina |
| 56 | Mary Sue Cox | 11 | Daughter | — | South Carolina |
| 57 | E. L. Jr. Cox | 9 | Son | — | South Carolina |
| 58 | Carrie Nell Cox | 7 | Daughter | — | South Carolina |
| 59 | Virginia Cox | 3 | Daughter | — | South Carolina |
| 60 | Nathaniel Williams | 36 | Head | Farmer | South Carolina |
| 61 | Lizzie Williams | 39 | Wife | — | South Carolina |
| 62 | Jesse Mae Williams | 14 | Daughter | Laborer | South Carolina |
| 63 | Lula Williams | 13 | Daughter | — | South Carolina |
| 64 | Herman Williams | 10 | Daughter | — | South Carolina |
| 65 | Alberta Williams | 8 | Daughter | — | South Carolina |
| 66 | Bessie Williams | 5 | Daughter | — | South Carolina |
| 67 | Thelma Williams THIS PERSON | 3 | Daughter | — | South Carolina |
| 68 | Nathaniel Jr. Williams | 1 | Son | — | South Carolina |
| 69 | A. Z. Williams | 1 | Son | — | South Carolina |
| 70 | Fannie Cade | 62 | Mother-in-law | — | South Carolina |
| 71 | A. M. Vogier | 43 | Head | Farmer | South Carolina |
| 72 | Annie Vogier | 38 | Wife | — | South Carolina |
| 73 | Prince Vogier | 21 | Son | Laborer | South Carolina |
| 74 | Martha Vogier | 19 | Daughter | Laborer | South Carolina |
| 75 | Mildred Vogier | 18 | Daughter | Laborer | South Carolina |
| 76 | Cecil Vogier | 15 | Son | Laborer | South Carolina |
| 77 | Ambrose Vogier | 13 | Son | — | South Carolina |
| 78 | Donaldson Vogier | 10 | Son | — | South Carolina |
| 79 | Cynthia Vogier | 8 | Daughter | — | South Carolina |
| 80 | Birdie Vogier | 5 | Daughter | — | South Carolina |
| 81 | Audrey Mae Vogier | 4 | Daughter | — | South Carolina |
| 82 | Charlotte Cannon | 78 | Head | — | South Carolina |
| 83 | Arthur Mcclure | 28 | Grandson | Incubator Operator | South Carolina |
| 84 | Addie Mcclure | 26 | Granddaughter | Laborer | South Carolina |
| 85 | Rosavelt Mcclure | 8 | Grandson | Laborer | South Carolina |
| 86 | Henry Mcclure | 5 | Great Grandson | — | South Carolina |
| 87 | Harold Mcclure | 3 | Great Grandson | — | South Carolina |
| 88 | J. V. Hudson | 42 | Head | Mail Carrier | South Carolina |
| 89 | Estelle Bertha Hudson | 40 | Wife | — | South Carolina |
| 90 | Annie Ruth Hudson | 19 | Daughter | Laborer | South Carolina |
| 91 | Sallie Mae Hudson | 16 | Daughter | Laborer | South Carolina |
| 92 | Olin Hudson | 14 | Daughter | Laborer | South Carolina |
| 93 | Douglas Hudson | 7 | Son | — | South Carolina |
| 94 | Lola Hudson | 4 | Daughter | — | South Carolina |
| 95 | Charley Bailey | 31 | Head | Farmer | South Carolina |
| 96 | Mable Bailey | 29 | Wife | — | South Carolina |
| 97 | Louise Bailey | 1 | Daughter | — | South Carolina |
| 98 | Alonza Cade | 23 | Head | Laborer | South Carolina |
| 99 | Esther Cade | 21 | Wife | — | South Carolina |
| 100 | John Henry Cade | 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)