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Thelma Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Thelma Jackson across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter City |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Sumter City |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Minnie Jackson | Spouse | — | 40 | ~1900 |
| Altheia Jackson | Daughter | — | 18 | ~1922 |
| Robert Jackson | Son | — | 12 | ~1928 |
| Paul Jackson | Head | — | 46 | ~1894 |
| Fannie Jackson | Daughter | — | 7 | ~1933 |
| Thelma Jackson | Daughter | — | 13 | ~1927 |
| Andrew Jackson | Son | — | 17 | ~1923 |
| Mick Jackson | Son | — | 4 | ~1936 |
| Marion Jackson | Son | — | 14 | ~1926 |
| Silas Jackson | Son | — | 21 | ~1919 |
| Paul Jackson | Son | — | 5 | ~1935 |
Census Appearances
1930
Sumter, South …
Daughter, age 2
Sumter, South Carolina · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| 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 |
1940
Sumter-County, South …
Daughter, age 13
Sumter-County, South Carolina · implied b. ~1927 — 11 household members
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter City |
| 1935 Residence (County) | Sumter |
| Highest Grade | No 5 |
| 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 13 · b. ~1927 · South Carolina
★ You are viewing this record
Sibling
Silas Jackson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Jackson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Jackson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mick Jackson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fannie Jackson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jackson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Jackson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Altheia Jackson
Sibling · 1940 · age 18
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03842-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. W. Hancock | 36 | Head | Operator | South Carolina |
| 2 | Edith Hancock | 26 | Wife | Saleswoman | South Carolina |
| 3 | James Hamilton | 39 | Head | Laborer | South Carolina |
| 4 | Frank Brown | 23 | Son-in-law | — | South Carolina |
| 5 | Johnie M. Brown | 18 | Daughter | — | South Carolina |
| 6 | Helen Montgomery | 8 | Step daughter | — | South Carolina |
| 7 | Bertha Montgomery | 6 | Step daughter | — | South Carolina |
| 8 | Luther Mickle | 37 | Head | Truck Driver | South Carolina |
| 9 | Willie Mickle | 34 | Wife | — | South Carolina |
| 10 | Ruth Mickle | 20 | Daughter | — | South Carolina |
| 11 | Isaac Mickle | 18 | Son | New Worker | South Carolina |
| 12 | Wilbur Mickle | 16 | Son | — | South Carolina |
| 13 | Paul Jackson | 46 | Head | Laborer | South Carolina |
| 14 | Minnie Jackson | 40 | Wife | Servant | South Carolina |
| 15 | Silas Jackson | 21 | Son | Laborer | South Carolina |
| 16 | Altheia Jackson | 18 | Daughter | — | South Carolina |
| 17 | Andrew Jackson | 17 | Son | — | South Carolina |
| 18 | Marion Jackson | 14 | Son | — | South Carolina |
| 19 | Thelma Jackson THIS PERSON | 13 | Daughter | — | South Carolina |
| 20 | Robert Jackson | 12 | Son | — | South Carolina |
| 21 | Fannie Jackson | 7 | Daughter | — | South Carolina |
| 22 | Paul Jr. Jackson | 5 | Son | — | South Carolina |
| 23 | Mick Jackson | 4 | Son | — | South Carolina |
| 24 | James Ford | 31 | Head | Laborer | South Carolina |
| 25 | Evelyn Ford | 28 | Wife | Servant | South Carolina |
| 26 | Virginia Ford | 9 | Daughter | — | South Carolina |
| 27 | Ruth Ford | 7 | Daughter | — | South Carolina |
| 28 | Eliza Ford | 0 | Daughter | — | South Carolina |
| 29 | Lucille Tompson | 29 | Head | Chambermaid | South Carolina |
| 30 | Marion Tompson | 14 | Son | — | South Carolina |
| 31 | Lillie Prince | 55 | Mother | — | South Carolina |
| 32 | Charlie Prince | 19 | Brother | — | South Carolina |
| 33 | Mildred Prince | 18 | Sister | — | South Carolina |
| 34 | Dorothy Prince | 16 | Sister | — | South Carolina |
| 35 | Fannie Durant | 75 | Grandmother | — | South Carolina |
| 36 | Johnnie Brown | 40 | Head | Laborer | South Carolina |
| 37 | Cleo Brown | 30 | Wife | — | South Carolina |
| 38 | Edna Thomas | 53 | Mother-in-law | — | South Carolina |
| 39 | Eleck Thomas | 20 | Brother-in-law | Housecleaning | South Carolina |
| 40 | Mcdultrie Thomas | 18 | Brother-in-law | Shoe Shiner | South Carolina |
Related Census Records
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)