IB
Isaac Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Williamsburg, South Carolina
Our Model Tree links this Isaac Brown across the 1910, 1920 and 1930 US Censuses in Williamsburg, South Carolina (XGBoost, ~Confirmed), with identified parents Charleston & Chamberlain — first a head (b.~1901), then head of a 5-person household.
Age 29
b. ~1901
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Williamsburg, South Carolina |
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | Penn Township 3 Pmd |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Sarah Brown | Daughter | — | 5 | ~1925 |
| Charlotte Brown | Daughter | — | ~1930 | |
| Isaac Brown | Head | — | 29 | ~1901 |
| Susan Brown | Other | — | 24 | ~1906 |
| Lawrence Brown | Son | — | 2 | ~1928 |
Census Appearances
1910
Williamsburg, South …
Son, age 6
Williamsburg, South Carolina · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| 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 |
1920
Williamsburg, South …
Son, age 16
Williamsburg, South Carolina · implied b. ~1904 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Williamsburg, South …
Head, age 29
Williamsburg, South Carolina · implied b. ~1901 — 5 household members
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 Isaac Brown across 3 US Census years (1910, 1920 and 1930) in Williamsburg, South Carolina, using XGBoost record linkage. Identified parents: father Charleston Brown (~0.92 confidence) and father Chamberlain Brown (~0.92 confidence) and mother Dora Brown (~0.92 confidence) and mother Dora Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charleston Brown
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Chamberlain Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Dora Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Dora Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Brown
Head · 1930 · age 29 · b. ~1901 · South Carolina
★ You are viewing this record
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:0599)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Don Floyd | 43 | Son | None | South Carolina |
| 2 | James Barr | 35 | Head | Farmer | South Carolina |
| 3 | Ellen Barr | 26 | Wife-H | Farm Laborer | South Carolina |
| 4 | Mary Barr | 68 | Head | Farmer | South Carolina |
| 5 | Mckinley Evans | 18 | Adopted Son | Farm Laborer | South Carolina |
| 6 | Mack Jones | 16 | Adopted Son | Farm Laborer | South Carolina |
| 7 | Matilda Barr | 39 | Head | Farmer | South Carolina |
| 8 | Emmerson Barr | 19 | Son | Farm Laborer | South Carolina |
| 9 | Josephine Barr | 16 | Daughter | Farm Laborer | South Carolina |
| 10 | Johnathan Barr | 5 | Grandson | None | South Carolina |
| 11 | Elsie Maxwell | 40 | Head | Farmer | South Carolina |
| 12 | Wayne Maxwell | 18 | Son | Farm Laborer | South Carolina |
| 13 | Joshia Maxwell | 15 | Son | Farm Laborer | South Carolina |
| 14 | James Maxwell | 12 | Nephew | Farm Laborer | South Carolina |
| 15 | Nickles Evans | 27 | Head | Farmer | South Carolina |
| 16 | Christina Evans | 25 | Wife-H | Farm Laborer | South Carolina |
| 17 | Anosi Evans | 4 | Daughter | None | South Carolina |
| 18 | Nickles Jr. Evans | 2 | Son | None | South Carolina |
| 19 | Ruby R. Evans | 1 | Son | None | South Carolina |
| 20 | Annie Mae Evans | 0 | Daughter | None | South Carolina |
| 21 | Thomas Cromwell | 70 | Head | Farmer | South Carolina |
| 22 | Florence Cromwell | 71 | Wife-H | Farm Laborer | South Carolina |
| 23 | Josephine Hulon | 22 | Daughter | Farm Laborer | South Carolina |
| 24 | Thomas Hulon | 4 | Grandson | None | South Carolina |
| 25 | Shad Colclough | 61 | Head | Farmer | South Carolina |
| 26 | Mary Colclough | 72 | Wife-H | Farm Laborer | South Carolina |
| 27 | Edmond Bradley | 71 | Head | Farmer | South Carolina |
| 28 | Mary Bradley | 12 | Granddaughter | Farm Laborer | South Carolina |
| 29 | Victoria Green | 38 | Head | Farm Laborer | South Carolina |
| 30 | Albertus Green | 7 | Daughter | None | South Carolina |
| 31 | Isaac Brown THIS PERSON | 29 | Head | Farmer | South Carolina |
| 32 | Susan Brown | 24 | Wife-H | Farm Laborer | South Carolina |
| 33 | Sarah Brown | 5 | Daughter | None | South Carolina |
| 34 | Lawrence Brown | 2 | Son | None | South Carolina |
| 35 | Charlotte Brown | 0 | Daughter | None | South Carolina |
| 36 | Charles Havin | 49 | Head | Farmer | South Carolina |
| 37 | Hester Havin | 48 | Wife-H | Farm Laborer | South Carolina |
| 38 | Beatrice Havin | 18 | Daughter | Farm Laborer | South Carolina |
| 39 | Charles Jr. Havin | 16 | Son | Farm Laborer | South Carolina |
| 40 | Eddie Havin | 13 | Daughter | Farm Laborer | South Carolina |
| 41 | Sylvester Havin | 11 | Son | Farm Laborer | South Carolina |
| 42 | Mary Brown | 75 | Head | Farmer | South Carolina |
| 43 | Ella Fullon | 38 | Head | Farmer | South Carolina |
| 44 | Zella L. Fullon | 20 | Daughter | Farmer | South Carolina |
| 45 | Florie Fullon | 17 | Daughter | Farm Laborer | South Carolina |
| 46 | Nathaniel Fullon | 14 | Son | Farm Laborer | South Carolina |
| 47 | Moses Fullon | 12 | Son | Farm Laborer | South Carolina |
| 48 | Amos Fullon | 9 | Son | None | South Carolina |
| 49 | Elizabeth Fullon | 7 | Daughter | None | South Carolina |
| 50 | Fullon | None | — | — | — |
Pedigree Summary
Isaac
Gen 1 · 4 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)