FT
Fred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marlboro-County, South Carolina
Our Model Tree links this Fred Thomas across the 1920, 1930 and 1940 US Censuses in Marlboro-County, South Carolina (XGBoost, ~Confirmed), with identified parents William & Fred — first a son (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marlboro-County, South Carolina |
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marlboro |
| Additional Details | |
| Occupation | labourer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 75 |
| Highest Grade | No 0 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Labourer |
| Township / Ward | Ebenezer Township School District 25 |
| Est. Birth Year | ~1922 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Silas Thomas | Daughter | — | 14 | ~1926 |
| Ella Thomas | Daughter | — | 6 | ~1934 |
| John Thomas | Head | — | 43 | ~1897 |
| Fred Thomas | Son | — | 18 | ~1922 |
| John Thomas | Son | — | 12 | ~1928 |
| Addie Thomas | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Marlboro, South …
Son, age 1
Marlboro, South Carolina · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Fred Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| 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 |
1930
Marlboro, South …
Son, age 11
Marlboro, South Carolina · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| 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
Marlboro-County, South …
Son, age 18
Marlboro-County, South Carolina · implied b. ~1922 — 6 household members
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Marlboro |
| Occupation | labourer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 75 |
| Highest Grade | No 0 |
| 1935 Residence | South Carolina |
| 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 Fred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Thomas (~0.92 confidence) and father Fred Thomas (~0.92 confidence) and mother Pearl Thomas (~0.92 confidence) and father John Thomas (~0.92 confidence) and mother Addie Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thomas
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Fred Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Pearl Thomas
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
John Thomas
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Addie Thomas
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Thomas
Son · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
John Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Silas Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Thomas
Sibling · 1940 · age 6
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 — Marlboro-County, South Carolina
Open full size
1940 US Federal Census — Marlboro-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03826-00819)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Mccrimmon | 22 | Step grand son | Laborer | South Carolina |
| 2 | Corine Mccrimmon | 16 | Step grand daughter | — | South Carolina |
| 3 | Sara Mcmillian | 4 | Daughter | — | North Carolina |
| 4 | Della R Mcmillian | 2 | Daughter | — | North Carolina |
| 5 | Alice Cohen | 65 | Head | — | South Carolina |
| 6 | Willie J Cohen | 21 | Son | Laborer | South Carolina |
| 7 | Samuel Cohen | 20 | Son | Laborer | South Carolina |
| 8 | J. W. Crowley | 49 | Head | Manager | South Carolina |
| 9 | Maude Crowley | 44 | Wife | — | South Carolina |
| 10 | Ernest Driggers | 36 | Head | Blue Joiner | South Carolina |
| 11 | Thelma Driggers | 32 | Wife | Checker | North Carolina |
| 12 | Ernestine Driggers | 13 | Daughter | — | South Carolina |
| 13 | Margie Driggers | 11 | Daughter | — | South Carolina |
| 14 | Hattie Crowley | 47 | Head | — | South Carolina |
| 15 | Gordon Crowley | 22 | Son | Labourer | South Carolina |
| 16 | Jennings Crowley | 20 | Son | Labourer | South Carolina |
| 17 | Clara Crowley | 16 | Daughter | — | South Carolina |
| 18 | Carol Crowley | 14 | Son | — | South Carolina |
| 19 | Edna Crowley | 11 | Daughter | — | South Carolina |
| 20 | Annabell Malachi | 46 | Head | Labourer | South Carolina |
| 21 | Viola Malachi | 20 | Daughter | — | South Carolina |
| 22 | Garfield Malachi | 14 | Son | Labourer | South Carolina |
| 23 | Bessie May Malachi | 11 | Daughter | — | South Carolina |
| 24 | Isadora Malachi | 6 | Daughter | — | South Carolina |
| 25 | Flossie Davis | 2 | Grand daughter | — | South Carolina |
| 26 | John Thomas | 43 | Head | Labourer | South Carolina |
| 27 | Addie Lee Thomas | 40 | Wife | — | South Carolina |
| 28 | Fred Thomas THIS PERSON | 18 | Son | Labourer | South Carolina |
| 29 | Silas May Thomas | 14 | Daughter | — | South Carolina |
| 30 | John Jr. Thomas | 12 | Son | — | South Carolina |
| 31 | Ella Thomas | 6 | Daughter | — | South Carolina |
| 32 | Henry L Cox | 31 | Head | Laborer | South Carolina |
| 33 | Lulu Cox | 23 | Wife | — | South Carolina |
| 34 | Charles Cox | 4 | Son | — | South Carolina |
| 35 | James Henry Cox | 3 | Son | — | South Carolina |
| 36 | J. E. Meggs | 45 | Head | Farmer | South Carolina |
| 37 | Ernest Meggs | 15 | Son | Laborer | South Carolina |
| 38 | Solomon Meggs | 13 | Son | — | South Carolina |
| 39 | Earl Meggs | 12 | Son | — | South Carolina |
| 40 | Myrtle Meggs | 10 | Daughter | — | South Carolina |
Pedigree Summary
Fred + 3 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 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)