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Isaac Williams — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Sumter, South Carolina

Our Model Tree links this Isaac Williams across the 1920, 1930 and 1940 US Censuses in Sumter, South Carolina (XGBoost, ~Confirmed), with identified parents Willie & Hattie — first a son (b.~1918), then head of a 10-person household.

Age 12 b. ~1918 Male Son Born: South Carolina Single

1930 Census Record Details

Census Year1930
LocationSumter, South Carolina
SurnameWilliams
Given NameIsaac
Relationship to HeadSon
SexM
Color / RaceBlack
Age12
Marital StatusSingle
BirthplaceSouth Carolina
Father's BirthplaceSouth Carolina
Mother's BirthplaceSouth Carolina
Additional Details
Can Read/WriteYes
Birth StateSouth Carolina
Birth CountryUnited States
Birthplace (normalized)south carolina
Township / WardMayesville 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.

10 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Isaac Age Birth yr
Magalene Williams Daughter — 6 ~1924
Viola Williams Daughter — 16 ~1914
Edith Williams Daughter — 1 ~1929
Virginia Williams Daughter — 20 ~1910
Eliza Williams Daughter — 8 ~1922
Willie Williams Head — 60 ~1870
Robert Williams Other — 1 ~1929
Isaac Williams Son — 12 ~1918
Joseph Williams Son — 3 ~1927
Shellie Williams Spouse — 40 ~1890

Census Appearances

1920
Lee, South …
Son, age 2
Lee, South Carolina · implied b. ~1918 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Williams
Given Name Isaac
Relationship to Head son
Sex M
Color / Race Black
Age 2
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
Sumter, South …
Son, age 12
Sumter, South Carolina · implied b. ~1918 — 10 household members
Surname Williams
Given Name Isaac
Relationship to Head Son
Sex M
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
1940
Sumter-County, South …
Head, age 22
Sumter-County, South Carolina · implied b. ~1918 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname William
Given Name Isaac
Relationship to Head Head
Sex M
Color / Race Black
Age 22
Marital Status Married
Birthplace South Carolina
1935 Residence (City) Middleton Twp
1935 Residence (County) Sumter
Occupation Farmer
Industry Farm
Class of Worker OA
Hours Worked 50
Highest Grade No 4
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.
Model Tree available
Our Model Tree links Isaac Williams across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Willie Williams (~0.92 confidence) and mother Hattie Williams (~0.92 confidence) and mother Shellie Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Willie Williams
b. ~1870
Source father
● Household · direct · ~0.92
Mother
Hattie Williams
b. ~1875
Source mother
● Household · direct · ~0.92
Mother
Shellie Williams
b. ~1890
Source mother
● Household · direct · ~0.92
This person
Anchor record
Isaac Williams
Son · 1930 · age 12 · b. ~1918 · South Carolina
★ You are viewing this record
Sibling
Eliza Williams
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Williams
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Magalene Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Williams
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Williams
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 — Sumter, South Carolina Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensus2213unit:1142)

Line Name Age Relation Occupation Birthplace
51 Ida L Epps 28 Wife — South Carolina
52 Ida L Epps 10 Daughter — South Carolina
53 Willie Epps 8 Son Farm Laborer South Carolina
54 Rosielee Epps 12 Daughter — South Carolina
55 Isaac Epps 7 Son — South Carolina
56 Lucile Epps 5 Daughter — South Carolina
57 Clifton Epps 2 Son — South Carolina
58 James Epps 1 Son — South Carolina
59 Annie Johnson 48 Sister-in-law Farm Laborer South Carolina
60 Mary Johnson 14 Niece — South Carolina
61 Willie Williams 60 Head Farmer South Carolina
62 Shellie Williams 40 Wife — South Carolina
63 Virginia Williams 20 Daughter — South Carolina
64 Viola Williams 16 Daughter — South Carolina
65 Isaac Williams THIS PERSON 12 Son — South Carolina
66 Eliza Williams 8 Daughter — South Carolina
67 Magalene Williams 6 Daughter — South Carolina
68 Joseph Williams 3 Son — South Carolina
69 Edith Williams 1 Daughter — South Carolina
70 Robert L Williams 1 Grandson — South Carolina
71 Carry Carolina 45 Head Farmer South Carolina
72 Sadie Carolina 18 Daughter Farm Laborer South Carolina
73 Benny Carolina 12 Son — South Carolina
74 Walter Carolina 37 Son-in-law Farm Laborer South Carolina
75 Mary Lee Carolina 25 Daughter — South Carolina
76 Carry Lou Carolina 7 Granddaughter — South Carolina
77 George Carolina 4 Grandson — South Carolina
78 Walter Jr Carolina 2 Grandson — South Carolina
79 Adam Fullwood 44 Head Farmer South Carolina
80 Phacy Fullwood 42 Wife — South Carolina
81 James Fullwood 19 Son Laborer South Carolina
82 Thelma Fullwood 17 Daughter — South Carolina
83 Aldurtha Fullwood 15 Daughter — South Carolina
84 Adam Jr Fullwood 13 Son — South Carolina
85 John C Fullwood 11 Son — South Carolina
86 Clarence Fullwood 7 Son — South Carolina
87 Sarah Fullwood 5 Daughter — South Carolina
88 Theodore Fullwood 3 Son — South Carolina
89 Mary Fullwood 70 Mother — South Carolina
90 Lucious Williams 36 Head Farmer South Carolina
91 Almer Williams 32 Wife — South Carolina
92 Arthur Halanson 21 Head Laborer South Carolina
93 Maybell Halanson 16 Wife — South Carolina
94 Sam Desane 50 Head Laborer South Carolina
95 Filena Desane 26 Wife — South Carolina
96 Ed Desane 8 Son — South Carolina
97 Rosa Desane 7 Daughter — South Carolina
98 Henrietta Desane 6 Daughter — South Carolina
99 Fannie Desane 5 Daughter — South Carolina
100 Lillian Desane 2 Daughter — South Carolina

Search for Isaac Williams

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Pedigree Summary

Isaac + 6 siblings
Gen 1 · 3 parents ~0.92
Max depth 4 (1900–1950 window)

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)

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