JT
James Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clarendon-County, South Carolina
Our Model Tree links this James Thomas across the 1920, 1930 and 1940 US Censuses in Clarendon-County, South Carolina (XGBoost, ~Confirmed), with identified parents Leroy & Rufus — first a son (b.~1913), then head of a 14-person household.
Age 27
b. ~1913
Male
Son
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarendon-County, South Carolina |
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Concord Township |
| 1935 Residence (County) | Clarendon |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Concord Township |
| Est. Birth Year | ~1913 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Benson | Daughter | — | 24 | ~1916 |
| Gladys Thomas | Daughter | — | 12 | ~1928 |
| Thelma Benson | Daughter | — | 4 | ~1936 |
| Bertha Benson | Daughter | — | 6 | ~1934 |
| Lilly Thomas | Daughter | — | 20 | ~1920 |
| Lucile Thomas | Daughter | — | 16 | ~1924 |
| Lula Thomas | Daughter | — | 18 | ~1922 |
| Leroy Thomas | Head | — | 49 | ~1891 |
| Lilly Thomas | Other | — | 26 | ~1914 |
| Albertha Benson | Other | — | 26 | ~1914 |
| James Thomas | Son | — | 27 | ~1913 |
| Robert Benson | Son | — | 5 | ~1935 |
| Leroy Thomas | Son | — | 2 | ~1938 |
| Johnnie Thomas | Son | — | 9 | ~1931 |
Census Appearances
1920
Mcmillan Township, …
Son, age 5
Mcmillan Township, South Carolina · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Sumter, South …
Son, age 16
Sumter, South Carolina · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Clarendon-County, South …
Son, age 27
Clarendon-County, South Carolina · implied b. ~1913 — 14 household members
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Concord Township |
| 1935 Residence (County) | Clarendon |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 James Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Leroy Thomas (~0.92 confidence) and father Rufus Thomas (~0.92 confidence) and father Ervin Thomas (~0.92 confidence) and mother Ida Thomas (~0.92 confidence) and mother Maude Thomas (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Leroy Thomas
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Rufus Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Ervin Thomas
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Ida Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Maude Thomas
b. ~1911
Source mother
● Household
· direct · ~0.6
This person
Anchor record
James Thomas
Son · 1940 · age 27 · b. ~1913 · South Carolina
★ You are viewing this record
Sibling
Bertha Benson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Benson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Benson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnnie Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Benson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Thomas
Sibling · 1940 · 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
1940 US Federal Census — Clarendon-County, South Carolina
Open full size
1940 US Federal Census — Clarendon-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03800-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlotte Jackson | 45 | Head | Laborer | South Carolina |
| 42 | Charlie Jackson | 19 | Son | Laborer | South Carolina |
| 43 | Andrew Jackson | 14 | Son | Laborer | South Carolina |
| 44 | Idell Jackson | 14 | Daughter | Laborer | South Carolina |
| 45 | Henry Jackson | 12 | Son | — | South Carolina |
| 46 | John Jackson | 9 | Son | — | South Carolina |
| 47 | Charlotte Jackson | 6 | Daughter | — | South Carolina |
| 48 | Leroy Thomas | 49 | Head | Laborer | South Carolina |
| 49 | Lilly Thomas | 20 | Daughter | Laborer | South Carolina |
| 50 | Lula May Thomas | 18 | Daughter | Laborer | South Carolina |
| 51 | Lucile Thomas | 16 | Daughter | Laborer | South Carolina |
| 52 | Gladys Thomas | 12 | Daughter | — | South Carolina |
| 53 | Johnnie Thomas | 9 | Son | — | South Carolina |
| 54 | Leroy Thomas | 2 | Son | — | South Carolina |
| 55 | James Thomas THIS PERSON | 27 | Son | Laborer | South Carolina |
| 56 | Lilly Ida Thomas | 26 | Daughter-in-law | — | South Carolina |
| 57 | Albertha Benson | 26 | Sister-in-law | Bell Boy | South Carolina |
| 58 | Mary Benson | 24 | Daughter | — | South Carolina |
| 59 | Bertha Benson | 6 | Daughter | — | South Carolina |
| 60 | Robert Benson | 5 | Son | — | South Carolina |
| 61 | Thelma Benson | 4 | Daughter | — | South Carolina |
| 62 | Isaiah Brunson | 39 | Head | Laborer | South Carolina |
| 63 | Eva Brunson | 32 | Wife | — | South Carolina |
| 64 | Robert Brunson | 15 | Son | Laborer | South Carolina |
| 65 | William Brunson | 13 | Son | — | South Carolina |
| 66 | Ida May Brunson | 9 | Daughter | — | South Carolina |
| 67 | Hattie Brunson | 7 | Daughter | — | South Carolina |
| 68 | Elbertus Brunson | 2 | Son | — | South Carolina |
| 69 | Solomon Dowdy | 44 | Head | Laborer | South Carolina |
| 70 | Hallie Dowdy | 20 | Son | Laborer | South Carolina |
| 71 | Ervin Dowdy | 18 | Son | Laborer | South Carolina |
| 72 | Bedford Dowdy | 15 | Son | Laborer | South Carolina |
| 73 | Clifton Dowdy | 12 | Son | — | South Carolina |
| 74 | Jessie Dowdy | 11 | Daughter | — | South Carolina |
| 75 | Cornelia Dowdy | 10 | Daughter | — | South Carolina |
| 76 | Franklyn Dowdy | 8 | Son | — | South Carolina |
| 77 | Major Dowdy | 6 | Son | — | South Carolina |
| 78 | Mary Ellen Dowdy | 4 | Daughter | — | South Carolina |
| 79 | Martha Knight | 65 | Head | Laborer | South Carolina |
| 80 | Henry Mcfadden | 34 | Nephew | Laborer | South Carolina |
Pedigree Summary
James + 10 siblings
Gen 1 · 5 parents
~0.86
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)