RJ
Robert Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · None, None
Our Model Tree links this Robert Johnson across the 1910, 1920 and 1930 US Censuses (XGBoost, ~Confirmed), with identified parents Joe & George — first a son (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Male
Son
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| 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 | Auto Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Est. Birth Year | ~1909 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Sophie Johnson | Head | — | 53 | ~1877 |
| John Johnson | Son | — | 12 | ~1918 |
| Robert Johnson | Son | — | 21 | ~1909 |
| Theodore Johnson | Son | — | 16 | ~1914 |
| Lydia Johnson | Spouse | — | 21 | ~1909 |
Census Appearances
1910
None, None
Son, age 3
None, None · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| 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
None, None
Son, age 12
None, None · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| 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 | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
None, None
Son, age 21
None, None · implied b. ~1909 — 5 household members
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read/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 Robert Johnson across 3 US Census years (1910, 1920 and 1930) in None, None, using XGBoost record linkage. Identified parents: father Joe Johnson (~0.92 confidence) and father George Johnson (~0.92 confidence) and mother Rachael Johnson (~0.92 confidence) and mother Lydia Johnson (~0.50 confidence) and mother Mayhew Johnson (~0.92 confidence) and mother Sophie Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.85
Father
Joe Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
George Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Rachael Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Lydia Johnson
b. ~1909
Source mother
● Household
· direct · ~0.5
Mother
Mayhew Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Sophie Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Son · 1930 · age 21 · b. ~1909 · None
★ You are viewing this record
Sibling
John Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Johnson
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 — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
46 people indexed on this census page (ia:1930:michigancensus00reel1045:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vernon | 11 | Son | — | New York |
| 2 | Ellen Nokes | 36 | Head | — | Michigan |
| 3 | Alice Nokes | 38 | Wife | Salesman | Michigan |
| 4 | William Nokes | 11 | Son | — | Michigan |
| 5 | Clare Nokes | 8 | Son | — | Michigan |
| 6 | Glen Jr Nokes | 7 | Son | — | Michigan |
| 7 | Shirley Nokes | 6 | Daughter | — | Michigan |
| 8 | Vivian Nokes | 5 | Daughter | — | Michigan |
| 9 | Malvin Nokes | 3 | Son | — | Michigan |
| 10 | Andrew Tusson | 58 | Head | Yes | Canada |
| 11 | Justine Tusson | 46 | Wife | Yes | Canada |
| 12 | Roger Tusson | 18 | Son | Yes | Canada |
| 13 | Alma Tusson | 9 | Daughter | — | Michigan |
| 14 | Jenette Tusson | 6 | Daughter | — | Michigan |
| 15 | Kindrew Tusson | 3 | Son | — | Michigan |
| 16 | Charles Waters | 45 | Head | Laborer | Pennsylvania |
| 17 | Alice Waters | 44 | Wife | Yes | Canada |
| 18 | Jesse Nesbitt | 26 | Head | Laborer | South Carolina |
| 19 | Viola Nesbitt | 23 | Wife | — | South Carolina |
| 20 | Bertha Nesbitt | 6 | Daughter | — | South Carolina |
| 21 | Ruth Nesbitt | 1 | Daughter | — | South Carolina |
| 22 | Enos Nesbitt | 21 | Roomer | Laborer | South Carolina |
| 23 | Sophie Johnson | 53 | Head | — | South Carolina |
| 24 | Robert Johnson THIS PERSON | 21 | Son | Laborer | South Carolina |
| 25 | Lydia Johnson | 21 | Wife | — | South Carolina |
| 26 | Theodore Johnson | 16 | Son | — | South Carolina |
| 27 | John Johnson | 12 | Son | — | South Carolina |
| 28 | Harry Reiss | 46 | Head | Fancy Work | Georgia |
| 29 | Martha Reiss | 47 | Wife | — | Georgia |
| 30 | George Mccarthy | 48 | Head | Painter | Ohio |
| 31 | Mary Mccarthy | 42 | Wife | — | Michigan |
| 32 | Leo Mccarthy | 19 | Son | — | Michigan |
| 33 | Katherine Mccarthy | 18 | Daughter | — | Michigan |
| 34 | Frances Mccarthy | 16 | Daughter | — | Michigan |
| 35 | John Mccarthy | 10 | Son | — | Michigan |
| 36 | Roy Mccarthy | 8 | Son | — | Michigan |
| 37 | Alice Mccarthy | 7 | Daughter | — | Michigan |
| 38 | Frank Smith | 40 | Head | Laborer | Kentucky |
| 39 | Caploria Smith | 30 | Wife | — | Tennessee |
| 40 | Napola Smith | 12 | Daughter | — | Tennessee |
| 41 | Frank Jr Smith | 10 | Son | — | Tennessee |
| 42 | Louisa Smith | 6 | Daughter | — | Kentucky |
| 43 | Samson Smith | 4 | Son | — | Kentucky |
| 44 | Nellie Smith | 2 | Daughter | — | Michigan |
| 45 | Silas Demons | 34 | Head | — | Georgia |
| 46 | Floyd Hanks | 40 | Roomer | Laborer | South Carolina |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 6 parents
~0.85
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)