BJ
Benjamin Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charleston, South Carolina
Our Model Tree links this Benjamin Johnson across the 1900, 1910, 1920 and 1930 US Censuses in Charleston, South Carolina (XGBoost, ~Confirmed), with identified parents James & Benjamin — first a head (b.~1906), then head of a 3-person household.
Age 24
b. ~1906
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Charleston, South Carolina |
| Surname | Johnson |
| Given Name | Benjamin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Ship |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $6.50 |
| Radio Set | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Charleston City |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Benjamin | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnson | Spouse | — | 21 | ~1909 |
| Benjamin Johnson | Head | — | 24 | ~1906 |
| Sara Johnson | Daughter | — | 1 | ~1929 |
Census Appearances
1900
Charleston, South …
Son, age 1
Charleston, South Carolina · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | Apr |
| 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
Charleston, South …
Son, age 10
Charleston, South Carolina · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Benjamin H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| 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
Charleston, South …
Son, age 17
Charleston, South Carolina · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Head, age 24
Charleston, South Carolina · implied b. ~1906 — 3 household members
| Surname | Johnson |
| Given Name | Benjamin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Steam Ship |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $6.50 |
| Radio Set | 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 Benjamin Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in Charleston, South Carolina, using XGBoost record linkage. Identified parents: father James Johnson (~0.92 confidence) and father Benjamin Johnson (~0.92 confidence) and mother Caroline Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence) and father George Johnson (~0.92 confidence) and mother Victoria Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Johnson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Benjamin Johnson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Caroline Johnson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
George Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Victoria Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Benjamin Johnson
Head · 1930 · age 24 · b. ~1906 · 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 — Charleston, South Carolina
Open full size
1930 US Federal Census — Charleston, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2189unit:0477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Mack | 40 | Head | — | South Carolina |
| 2 | Elizabeth Mack | 16 | Daughter | — | South Carolina |
| 3 | Abraham Mack | 12 | Son | — | South Carolina |
| 4 | Oliver Brown | 27 | Head | Laborer | South Carolina |
| 5 | Louise Brown | 23 | Wife | — | South Carolina |
| 6 | William Brown | 6 | Son | — | South Carolina |
| 7 | Oliver Brown | 1 | Son | — | South Carolina |
| 8 | Isaac Deas | 16 | Brother | — | South Carolina |
| 9 | Benjamin Williams | 32 | Head | Deck Hand | South Carolina |
| 10 | Mamie Williams | 28 | Wife | Laundress | South Carolina |
| 11 | Rosa L. Williams | 13 | Daughter | — | South Carolina |
| 12 | Jennie Williams | 10 | Daughter | — | South Carolina |
| 13 | Thelma Williams | 8 | Daughter | — | South Carolina |
| 14 | Benjamin Williams | 5 | Son | — | South Carolina |
| 15 | Delores Williams | 3 | Daughter | — | South Carolina |
| 16 | Isaac Frazier | 25 | Head | Stevedore | South Carolina |
| 17 | Lucile Frazier | 26 | Wife | — | South Carolina |
| 18 | Minnie Manigault | 20 | Sister | Cook | South Carolina |
| 19 | Benjamin Johnson THIS PERSON | 24 | Head | Laborer | South Carolina |
| 20 | Anna Johnson | 21 | Wife | — | South Carolina |
| 21 | Sara L. Johnson | 1 | Daughter | — | South Carolina |
| 22 | Minnie Alston | 21 | Head | Laundress | South Carolina |
| 23 | Mitchell Alston | 25 | Brother | Child'S Nurse | South Carolina |
| 24 | George Judge | 25 | Head | Cook | South Carolina |
| 25 | Josephine Judge | 54 | Mother | Spinner | South Carolina |
| 26 | Henry Taylor | 32 | Head | Sawyer | South Carolina |
| 27 | Florence Taylor | 28 | Wife | — | South Carolina |
| 28 | William Thompson | 27 | Head | Chauffeur | South Carolina |
| 29 | Jamie Thompson | 43 | Wife | — | South Carolina |
| 30 | Charlotte Mcneal | 18 | Niece | — | South Carolina |
| 31 | Louie Smalls | 34 | Head | Child'S Nurse | South Carolina |
| 32 | Melvina Smalls | 17 | Daughter | — | South Carolina |
| 33 | Christina Rivers | 21 | Head | Child'S Nurse | South Carolina |
| 34 | Elaine Singleton | 14 | Niece | — | South Carolina |
| 35 | Edward Walker | 54 | Head | Fisherman | South Carolina |
| 36 | Mamie Walker | 38 | Wife | Laundress | South Carolina |
| 37 | Lula Belle Sheppard | 19 | Daughter | Servant | South Carolina |
| 38 | Jamie Giles | 21 | Head | Laundress | South Carolina |
| 39 | John Green | 50 | Head | Stevedore | South Carolina |
| 40 | Ada Green | 39 | Wife | Servant | South Carolina |
| 41 | Charles Robinson | 28 | Head | Fireman | South Carolina |
| 42 | Evelina Robinson | 20 | Wife | Servant | South Carolina |
| 43 | Louisa Hunter | 31 | Head | Cook | South Carolina |
| 44 | Mary Hunter | 13 | Daughter | — | South Carolina |
| 45 | Samuel L. Hunter | 5 | Son | — | South Carolina |
| 46 | Sinnie Eagles | 49 | Head | — | South Carolina |
| 47 | Isaiah Weston | 29 | Head | Chauffeur | South Carolina |
| 48 | Lucy Weston | 24 | Wife | Cook | South Carolina |
| 49 | Bertha Howard | 26 | Head | Laundress | South Carolina |
| 50 | Helen Deas | 25 | Head | Cook | South Carolina |
Related Census Records
Pedigree Summary
Benjamin
Gen 1 · 6 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)