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Benjamin Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kershaw-County, South Carolina
Our Model Tree links this Benjamin Thomas across the 1920, 1930 and 1940 US Censuses in Kershaw-County, South Carolina (XGBoost, ~Confirmed), with identified parents Mackey & Nathan — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kershaw-County, South Carolina |
| Surname | Thomas |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Flat Rock Twp |
| 1935 Residence (County) | Kershaw |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 88 |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Flat Rock Twp |
| Est. Birth Year | ~1920 |
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 1940 census.
| Name | Relation to head | Relative to Benjamin | Age | Birth yr |
|---|---|---|---|---|
| Hardin Thomas | Son | — | 14 | ~1926 |
| Nellie Thomas | Spouse | — | 39 | ~1901 |
| Benjamin Thomas | Son | — | 20 | ~1920 |
| Nathan Thomas | Head | — | 49 | ~1891 |
| Nathan Thomas | Son | — | 18 | ~1922 |
Census Appearances
1920
Kershaw, South …
Son, age 3
Kershaw, South Carolina · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Benjamin |
| 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 |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Kershaw, South …
Son, age 12
Kershaw, South Carolina · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Benjamin |
| 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/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Kershaw-County, South …
Son, age 20
Kershaw-County, South Carolina · implied b. ~1920 — 5 household members
| Surname | Thomas |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Flat Rock Twp |
| 1935 Residence (County) | Kershaw |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 88 |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mackey Thomas (~0.92 confidence) and father Nathan Thomas (~0.92 confidence) and father Willie Thomas (~0.92 confidence) and mother Nellie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mackey Thomas
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Nathan Thomas
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Willie Thomas
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Nellie Thomas
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Benjamin Thomas
Son · 1940 · age 20 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Nathan Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hardin Thomas
Sibling · 1940 · age 14
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
1940 US Federal Census — Kershaw-County, South Carolina
Open full size
1940 US Federal Census — Kershaw-County, South Carolina
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-03819-00743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Calvin Alexander | 13 | Grandson | — | South Carolina |
| 2 | William Alexander | 10 | Grandson | — | South Carolina |
| 3 | Eugene Alexander | 27 | Head | Laborer | South Carolina |
| 4 | Wade Alexander | 21 | Wife | — | South Carolina |
| 5 | Butler Alexander | 4 | Son | — | South Carolina |
| 6 | Tillmon Alexander | 2 | Son | — | South Carolina |
| 7 | George Alexander | 1 | Son | — | South Carolina |
| 8 | Frank Alexander | 37 | Head | Farmer | South Carolina |
| 9 | Bessie Alexander | 37 | Wife | — | South Carolina |
| 10 | Joe Alexander | 17 | Son | Farm Laborer | South Carolina |
| 11 | Lizzie Alexander | 15 | Daughter | — | South Carolina |
| 12 | Willie Alexander | 12 | Son | — | South Carolina |
| 13 | Clara Alexander | 10 | Daughter | — | South Carolina |
| 14 | Alma Alexander | 8 | Daughter | — | South Carolina |
| 15 | Betsy Alexander | 6 | Daughter | — | South Carolina |
| 16 | Freddie Alexander | 4 | Daughter | — | South Carolina |
| 17 | Frank Jr. Alexander | 3 | Son | — | South Carolina |
| 18 | Price Alexander | 2 | Son | — | South Carolina |
| 19 | Woodrow Alexander | 2 | Son | — | South Carolina |
| 20 | Nathan Thomas | 49 | Head | Farmer | South Carolina |
| 21 | Nellie Thomas | 39 | Wife | — | South Carolina |
| 22 | Benjamin Thomas THIS PERSON | 20 | Son | Farm Laborer | South Carolina |
| 23 | Nathan Jr. Thomas | 18 | Son | Farm Laborer | South Carolina |
| 24 | Hardin Thomas | 14 | Son | — | South Carolina |
Related Census Records
Pedigree Summary
Benjamin + 2 siblings
Gen 1 · 4 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)