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Thelma Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clarendon-County, South Carolina
Our Model Tree links this Thelma Jackson across the 1930 and 1940 US Censuses in Clarendon-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 12-person household.
Age 18
b. ~1922
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarendon-County, South Carolina |
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Clarendon |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 35 |
| Income (1939) | 35 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Concord |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Jackson | Son | — | 6 | ~1934 |
| Mattie Jackson | Daughter | — | 11 | ~1929 |
| Emma Jackson | Daughter | — | 16 | ~1924 |
| Marion Jackson | Daughter | — | 12 | ~1928 |
| James Jackson | Son | — | 5 | ~1935 |
| Ella Jackson | Spouse | — | 47 | ~1893 |
| Addie Jackson | Son | — | 7 | ~1933 |
| Ernestine Jackson | Daughter | — | 17 | ~1923 |
| Thelma Jackson | Daughter | — | 18 | ~1922 |
| Lissie Jackson | Other | — | 4 | ~1936 |
| Moses Jackson | Head | — | 52 | ~1888 |
| John Jackson | Son | — | 19 | ~1921 |
Census Appearances
1930
York, South …
Daughter, age 9
York, South Carolina · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| 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
Clarendon-County, South …
Daughter, age 18
Clarendon-County, South Carolina · implied b. ~1922 — 12 household members
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Clarendon |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 35 |
| Income (1939) | 35 |
| Highest Grade | No 7 |
| 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 Thelma Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Jackson
Daughter · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
Emma Jackson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Addie Jackson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jackson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Jackson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jackson
Sibling · 1940 · age 19
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-t0627-03800-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Owens | 36 | Head | Laborer | South Carolina |
| 2 | Dora Owens | 34 | Wife | — | South Carolina |
| 3 | Thomas Owens | 17 | Son | Laborer | South Carolina |
| 4 | Ferdinand Owens | 15 | Son | — | South Carolina |
| 5 | John Wesley Owens | 14 | Son | — | South Carolina |
| 6 | Lilly Ida Owens | 10 | Daughter | — | South Carolina |
| 7 | Novelle Owens | 9 | Daughter | — | South Carolina |
| 8 | Alice Owens | 8 | Daughter | — | South Carolina |
| 9 | Alice Owens | 8 | Daughter | — | South Carolina |
| 10 | Frankie Owens | 3 | Daughter | — | South Carolina |
| 11 | Joe Brunson | 47 | Head | Operator | South Carolina |
| 12 | Alline Brunson | 44 | Wife | — | South Carolina |
| 13 | Chas Witherspoon | 62 | Head | Laborer | South Carolina |
| 14 | Annie Richburg | 55 | Head | Operator | South Carolina |
| 15 | Willie Richburg | 36 | Son | Laborer | South Carolina |
| 16 | Grace Alline Richburg | 30 | Daughter in law | — | South Carolina |
| 17 | W. Henry Richburg | 9 | Grandson | — | South Carolina |
| 18 | Ruby Richburg | 6 | Granddaughter | — | South Carolina |
| 19 | Oneal Richburg | 4 | Grandson | — | South Carolina |
| 20 | Rosala Richburg | 2 | Granddaughter | — | South Carolina |
| 21 | Billy Reed Richburg | 0 | Grandson | — | South Carolina |
| 22 | Moses Jackson | 52 | Head | Operator | South Carolina |
| 23 | Ella Jackson | 47 | Wife | — | South Carolina |
| 24 | John E. Jackson | 19 | Son | Laborer | South Carolina |
| 25 | Thelma Jackson THIS PERSON | 18 | Daughter | Laborer | South Carolina |
| 26 | Ernestine Jackson | 17 | Daughter | — | South Carolina |
| 27 | Emma Jackson | 16 | Daughter | — | South Carolina |
| 28 | Marion Jackson | 12 | Daughter | — | South Carolina |
| 29 | Mattie Jackson | 11 | Daughter | — | South Carolina |
| 30 | Addie Jackson | 7 | Son | — | South Carolina |
| 31 | Benjamin Jackson | 6 | Son | — | South Carolina |
| 32 | James Jackson | 5 | Son | — | South Carolina |
| 33 | Lissie Jackson | 4 | Niece | — | South Carolina |
| 34 | Henry Allen | 44 | Head | Operator | South Carolina |
| 35 | Rosa Allen | 38 | Wife | — | South Carolina |
| 36 | Jimmy Allen | 16 | Daughter | Laborer | South Carolina |
| 37 | Ineze Allen | 13 | Daughter | — | South Carolina |
| 38 | William Allen | 11 | Son | — | South Carolina |
| 39 | Rudy Sippson | 60 | Head | Operator | South Carolina |
| 40 | Mary Bell Sippson | 40 | Wife | — | South Carolina |
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)