IB
Isaac Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Fairfield, South Carolina
Our Model Tree links this Isaac Brown across the 1910, 1920 and 1930 US Censuses in Fairfield, South Carolina (XGBoost, ~Confirmed), with identified parents Isaiah & Isaac — first a son (b.~1910), then head of a 11-person household.
Age 20
b. ~1910
Male
Son
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fairfield, South Carolina |
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Township 4 Part |
| Est. Birth Year | ~1910 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Mattie Brown | Daughter | — | 15 | ~1915 |
| Carrie Waden | Daughter | — | 19 | ~1911 |
| Lewis Brown | Head | — | 40 | ~1890 |
| Robert Bradford | Other | — | 7 | ~1923 |
| Lina Waden | Other | — | 20 | ~1910 |
| Maggie Waden | Other | — | 1 | ~1929 |
| Charley Waden | Other | — | 19 | ~1911 |
| John Waden | Son | — | 10 | ~1920 |
| Henry Brown | Son | — | 22 | ~1908 |
| Charley Waden | Son | — | 2 | ~1928 |
| Isaac Brown | Son | — | 20 | ~1910 |
Census Appearances
1910
Aiken, South …
Son, age
Aiken, South Carolina · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaiah Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Years Married | 0 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Fairfield, South …
Son, age 11
Fairfield, South Carolina · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Fairfield, South …
Son, age 20
Fairfield, South Carolina · implied b. ~1910 — 11 household members
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | 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 2 locations, using XGBoost record linkage. Identified parents: father Isaiah Brown (~0.92 confidence) and father Isaac Brown (~0.92 confidence) and father Lewis Brown (~0.92 confidence) and mother Lucy Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaiah Brown
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Isaac Brown
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Lewis Brown
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lucy Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Brown
Son · 1930 · age 20 · b. ~1910 · South Carolina
★ You are viewing this record
Sibling
Henry Brown
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Brown
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Waden
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charley Waden
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Waden
Sibling · 1930 · age 10
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 — Fairfield, South Carolina
Open full size
1930 US Federal Census — Fairfield, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2196unit:0191)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alice M Branham | 37 | Wife | Farm Hand | South Carolina |
| 52 | Annie Branham | 20 | Daughter | — | South Carolina |
| 53 | Will Branham | 37 | Head | Farmer | South Carolina |
| 54 | Bessie Branham | 37 | Wife | — | South Carolina |
| 55 | Annie Branham | 16 | Daughter | — | South Carolina |
| 56 | Iris Branham | 13 | Son | — | South Carolina |
| 57 | George Branham | 10 | Son | — | South Carolina |
| 58 | Lizzie Branham | 7 | Daughter | — | South Carolina |
| 59 | Lula Branham | 6 | Daughter | — | South Carolina |
| 60 | Beulah Branham | 4 | Daughter | — | South Carolina |
| 61 | Robert Branham | 2 | Son | — | South Carolina |
| 62 | Sext Gunter | 31 | Head | Farmer | South Carolina |
| 63 | Alice Gunter | 27 | Wife | — | South Carolina |
| 64 | Irene L Gunter | 8 | Daughter | — | South Carolina |
| 65 | Helen Gunter | 5 | Daughter | — | South Carolina |
| 66 | Maggie Gunter | 58 | Mother | — | South Carolina |
| 67 | Anderson Wade | 19 | Head | Farm Laborer | South Carolina |
| 68 | Lilly Wade | 18 | Wife | — | South Carolina |
| 69 | Randolph Wade | 1 | Son | — | South Carolina |
| 70 | Vivian Wade | 0 | Daughter | — | South Carolina |
| 71 | Mattie Wade | 40 | Head | Laborer | South Carolina |
| 72 | Reed Wade | 15 | Son | Laborer | South Carolina |
| 73 | William Wade | 12 | Son | Farmer | South Carolina |
| 74 | Henry Wade | 8 | Son | — | South Carolina |
| 75 | Nathaniel Wade | 5 | Son | — | South Carolina |
| 76 | Milton Wade | 2 | Son | — | South Carolina |
| 77 | Lewis Brown | 40 | Head | Farmer | South Carolina |
| 78 | Henry Brown | 22 | Son | Farm Laborer | South Carolina |
| 79 | Isaac Brown THIS PERSON | 20 | Son | Farm Laborer | South Carolina |
| 80 | Mattie L H Brown | 15 | Daughter | — | South Carolina |
| 81 | Charley Waden | 19 | Son-in-law | Laborer | South Carolina |
| 82 | Carrie T Waden | 19 | Daughter | — | South Carolina |
| 83 | John Waden | 10 | Son | — | South Carolina |
| 84 | Charley Jr Waden | 2 | Son | — | South Carolina |
| 85 | Robert Bradford | 7 | Adopted Son | — | South Carolina |
| 86 | Lina Waden | 20 | Daughter-in-law | — | South Carolina |
| 87 | Maggie Waden | 1 | Step Daughter | — | South Carolina |
| 88 | David Belton | 28 | Head | Farmer | South Carolina |
| 89 | Maria Belton | 30 | Wife | Farm Laborer | South Carolina |
| 90 | Elise Belton | 4 | Daughter | — | South Carolina |
| 91 | Dorothy Hudson | 11 | Niece | — | South Carolina |
| 92 | Annie L Hudson | 10 | Niece | — | South Carolina |
| 93 | Herbert Hudson | 9 | Nephew | — | South Carolina |
| 94 | Ruth Hudson | 7 | Niece | — | South Carolina |
| 95 | John E Hudson | 5 | Nephew | — | South Carolina |
| 96 | Berkley Belton | 15 | Nephew | Farm Helper | South Carolina |
| 97 | William Griffin | 37 | Head | Farmer | South Carolina |
| 98 | Ida Griffin | 28 | Wife | — | South Carolina |
| 99 | William Jr Griffin | 8 | Son | — | South Carolina |
| 100 | Allie Griffin | 6 | Daughter | — | South Carolina |
Pedigree Summary
Isaac + 5 siblings
Gen 1 · 5 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)