IB
Isaac Brown — 1920 US Census Record
Model Tree available1920 United States Federal Census · Berkeley, South Carolina
Our Model Tree links this Isaac Brown across the 1900, 1910 and 1920 US Censuses in Berkeley, South Carolina (XGBoost, ~Confirmed), with identified parents Isaac & William — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: South Carolina
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Berkeley, South Carolina |
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | 1St St Stephen |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Sarah Brown | Daughter | — | 23 | ~1897 |
| Eliza Brown | Daughter | — | 7 | ~1913 |
| Conney Brown | Daughter | — | 18 | ~1902 |
| Lucille Brown | Daughter | — | 9 | ~1911 |
| Isaac Brown | Head | — | 51 | ~1869 |
| Isaac Brown | Son | — | 21 | ~1899 |
| Rebecca Brown | Spouse | — | 49 | ~1871 |
Census Appearances
1900
Berkeley, South …
Son, age 1
Berkeley, South Carolina · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | Oct |
| Birth Year | 1899 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1910
Berkeley, South …
Son, age 10
Berkeley, South Carolina · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| 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
Berkeley, South …
Son, age 21
Berkeley, South Carolina · implied b. ~1899 — 7 household members
| Surname | Brown |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| 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 (1900, 1910 and 1920) in Berkeley, South Carolina, using XGBoost record linkage. Identified parents: father Isaac Brown (~0.92 confidence) and father William Brown (~0.92 confidence) and mother Rebecca Brown (~0.92 confidence) and father William Brown (~0.92 confidence) and mother Louisa Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Brown
b. ~1869
Source father
● Household
· direct · ~0.92
Father
William Brown
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Rebecca Brown
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
William Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Louisa Brown
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Brown
Son · 1920 · age 21 · b. ~1899 · South Carolina
★ You are viewing this record
Sibling
Sarah Brown
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Brown
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eliza Brown
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conney Brown
Sibling · 1920 · age 18
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
1920 US Federal Census — Berkeley, South Carolina
Open full size
1920 US Federal Census — Berkeley, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1686unit:0804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Carrie Burdett | 10 | Daughter | — | South Carolina |
| 52 | Julia Burdett | 9 | Son | — | South Carolina |
| 53 | Edward Burdett | 6 | Son | — | South Carolina |
| 54 | Lilly Burdett | 4 | Daughter | — | South Carolina |
| 55 | Mouty Burdett | 2 | Son | — | South Carolina |
| 56 | Lizzie Dingle | 67 | Head | — | South Carolina |
| 57 | Tyress Washington | 48 | Daughter | — | South Carolina |
| 58 | Isaac Washington | 35 | Head | — | South Carolina |
| 59 | Elizabeth Washington | 35 | Wife | — | South Carolina |
| 60 | Isaac Washington | 7 | Son | — | South Carolina |
| 61 | Allen Washington | 5 | Son | — | South Carolina |
| 62 | Linger Washington | 3 | Son | — | South Carolina |
| 63 | Napoleon Washington | 30 | Head | — | South Carolina |
| 64 | Mariah Washington | 25 | Wife | — | South Carolina |
| 65 | Joseph Washington | 2 | Son | — | South Carolina |
| 66 | Clarti Washington | 25 | Head | — | South Carolina |
| 67 | Katie Washington | 22 | Wife | — | South Carolina |
| 68 | Rosetta Brangdon | 68 | Head | — | South Carolina |
| 69 | Maggie Middleton | 36 | Head | Farmer | South Carolina |
| 70 | Rufus Middleton | 17 | Son | — | South Carolina |
| 71 | Eber Middleton | 15 | Daughter | — | South Carolina |
| 72 | Joshua Middleton | 13 | Son | — | South Carolina |
| 73 | Silas Middleton | 36 | Head | Farmer | South Carolina |
| 74 | Rachel Middleton | 36 | Wife | — | South Carolina |
| 75 | Rosella Middleton | 10 | Daughter | — | South Carolina |
| 76 | Eatha E Middleton | 9 | Daughter | — | South Carolina |
| 77 | Julia B Middleton | 7 | Daughter | — | South Carolina |
| 78 | Mary Jane Middleton | 5 | Daughter | — | South Carolina |
| 79 | Isaac Middleton | 67 | Head | — | South Carolina |
| 80 | Lillie Middleton | 66 | Wife | — | South Carolina |
| 81 | Isaac Brown | 51 | Head | Farmer | South Carolina |
| 82 | Rebecca Brown | 49 | Wife | — | South Carolina |
| 83 | Conney Brown | 18 | Daughter | — | South Carolina |
| 84 | Isaac Brown THIS PERSON | 21 | Son | — | South Carolina |
| 85 | Sarah Brown | 23 | Daughter | — | South Carolina |
| 86 | Lucille Brown | 9 | Daughter | — | South Carolina |
| 87 | Eliza Brown | 7 | Daughter | — | South Carolina |
| 88 | Henry Gable | 65 | Head | — | South Carolina |
| 89 | Charles Gable | 30 | Son | — | South Carolina |
| 90 | Wilmot Lee | 28 | Son in law | — | South Carolina |
| 91 | Edith Lee | 24 | Daughter | — | South Carolina |
| 92 | Isaac Gable | 22 | Daughter | — | South Carolina |
| 93 | Virginia Lee | 5 | Grand Daughter | — | South Carolina |
| 94 | Cash Brandon | 36 | Head | Farmer | South Carolina |
| 95 | Ellen Brandon | 32 | Wife | — | South Carolina |
| 96 | Ross E Brandon | 11 | Son | — | South Carolina |
| 97 | Norwood W Brandon | 8 | Son | — | South Carolina |
| 98 | Eubery Brandon | 3 | Daughter | — | South Carolina |
| 99 | Lydia Brandon | 0 | Daughter | — | South Carolina |
| 100 | Dennis B Duning | 22 | Head | Farmer | South Carolina |
Related Census Records
Pedigree Summary
Isaac + 4 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 1920 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)