RJ
Robert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sumter-County, Alabama
Our Model Tree links this Robert Johnson across the 1920, 1930 and 1940 US Censuses in Sumter-County, Alabama (XGBoost, ~Confirmed), with identified parents Robert & Frances — first a head (b.~1905), then head of a 10-person household.
Age 35
b. ~1905
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, Alabama |
| Surname | Johnson |
| Given Name | Robert Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Lacy Precinct 15 |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | Operator |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Operator |
| Township / Ward | Lacy Precinct 15 |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Beady Johnson | Daughter | — | 9 | ~1931 |
| Hanna Johnson | Daughter | — | 10 | ~1930 |
| Mary Johnson | Daughter | — | 2 | ~1938 |
| Vera Johnson | Daughter | — | 7 | ~1933 |
| Eliza Johnson | Daughter | — | 3 | ~1937 |
| Catherine Johnson | Daughter | — | 11 | ~1929 |
| Robert Johnson | Head | — | 35 | ~1905 |
| Edward Johnson | Son | — | 12 | ~1928 |
| Robert Johnson | Son | — | 5 | ~1935 |
| Viola Johnson | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Sumter, Alabama
Son, age 14
Sumter, Alabama · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Sumter, Alabama
Head, age 25
Sumter, Alabama · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 20 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Sumter-County, Alabama
Head, age 35
Sumter-County, Alabama · implied b. ~1905 — 10 household members
| Surname | Johnson |
| Given Name | Robert Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Lacy Precinct 15 |
| 1935 Residence (County) | Sumter |
| Occupation | Operator |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Johnson (~0.92 confidence) and mother Frances Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Frances Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Head · 1940 · age 35 · b. ~1905 · Alabama
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sumter-County, Alabama
Open full size
1940 US Federal Census — Sumter-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00080-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Dublin | 20 | Daughter | Laborer | Alabama |
| 2 | Mamie Dublin | 14 | Daughter | Laborer | Alabama |
| 3 | Jessie | 13 | Grand son | — | Alabama |
| 4 | Theo | 12 | Grand son | — | Alabama |
| 5 | Robert D Johnson | 63 | Head | Operator | Alabama |
| 6 | Francis Johnson | 60 | Wife | — | Alabama |
| 7 | Robin D Jones | 46 | Head | Operator | Alabama |
| 8 | Delia Jones | 40 | Wife | — | Alabama |
| 9 | Papa H Jones | 18 | Son | Laborer | Alabama |
| 10 | Robin Jr Jones | 16 | Son | Laborer | Alabama |
| 11 | Ellen Jones | 15 | Daughter | — | Alabama |
| 12 | Joseph Jones | 11 | Son | — | Alabama |
| 13 | Henrietta Jones | 9 | Daughter | — | Alabama |
| 14 | Maggie Jones | 7 | Daughter | — | Alabama |
| 15 | Will D Mason | 55 | Head | Operator | Alabama |
| 16 | Mattie Mason | 48 | Wife | — | Alabama |
| 17 | Earnest Mason | 21 | Son | Laborer | Alabama |
| 18 | Edward Mason | 19 | Son | Laborer | Alabama |
| 19 | Will Mason | 17 | Son | Laborer | Alabama |
| 20 | Mattie J Mason | 11 | Daughter | — | Alabama |
| 21 | Robert Jr Johnson THIS PERSON | 35 | Head | Operator | Alabama |
| 22 | Viola Johnson | 35 | Wife | — | Alabama |
| 23 | Edward Johnson | 12 | Son | — | Alabama |
| 24 | Catherine Johnson | 11 | Daughter | — | Alabama |
| 25 | Hanna M Johnson | 10 | Daughter | — | Alabama |
| 26 | Beady Johnson | 9 | Daughter | — | Alabama |
| 27 | Vera Johnson | 7 | Daughter | — | Alabama |
| 28 | Robert Iii Johnson | 5 | Son | — | Alabama |
| 29 | Eliza Johnson | 3 | Daughter | — | Alabama |
| 30 | Mary R Johnson | 2 | Daughter | — | Alabama |
| 31 | Sylvester Payne | 40 | Head | Operator | Alabama |
| 32 | Clara Payne | 38 | Wife | — | Alabama |
| 33 | Mattie M Payne | 20 | Daughter | Laborer | Alabama |
| 34 | Jack Payne | 18 | Son | Laborer | Alabama |
| 35 | Ethel L Payne | 14 | Daughter | Laborer | Alabama |
| 36 | Margie Payne | 10 | Son | — | Alabama |
| 37 | Nell Payne | 7 | Daughter | — | Alabama |
| 38 | Lee Payne | 5 | Son | — | Alabama |
| 39 | Pete Jones | 6 | Grandson | — | Alabama |
| 40 | Liza Jones | 4 | Granddaughter | — | Alabama |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)