TJ
Thelma Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Mary-County, Louisiana
Our Model Tree links this Thelma Jackson across the 1930 and 1940 US Censuses in St.-Mary-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Mary-County, Louisiana |
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 2 |
| 1935 Residence (County) | St. Mary |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 2 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Jackson | Son | — | 15 | ~1925 |
| Thelma Jackson | Daughter | — | 18 | ~1922 |
| John Jackson | Son | — | 9 | ~1931 |
| Mary Jackson | Spouse | — | 46 | ~1894 |
| Harvey Jackson | Son | — | 5 | ~1935 |
| Able Jackson | Head | — | 48 | ~1892 |
| James Jackson | Son | — | 13 | ~1927 |
| Alvin Jackson | Son | — | 25 | ~1915 |
| Able Jackson | Son | — | 23 | ~1917 |
Census Appearances
1930
St Mary, …
Daughter, age 8
St Mary, Louisiana · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Mary-County, Louisiana
Daughter, age 18
St.-Mary-County, Louisiana · implied b. ~1922 — 9 household members
| Surname | Jackson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 2 |
| 1935 Residence (County) | St. Mary |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 · Louisiana
★ You are viewing this record
Sibling
Able Jackson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jackson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Jackson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Jackson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Jackson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jackson
Sibling · 1940 · age 13
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 — St.-Mary-County, Louisiana
Open full size
1940 US Federal Census — St.-Mary-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01454-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matilda Gerritt | 22 | Daughter | Baby | Louisiana |
| 2 | Mary Louise Bessin | 2 | Daughter | — | Louisiana |
| 3 | Mary Singleton | 75 | Mother-in-law | Too Old | Louisiana |
| 4 | Raymond Pope | 22 | Head | Foreman | Oklahoma |
| 5 | Edith J. Pope | 22 | Wife | Secretary | Oklahoma |
| 6 | Able Jackson | 48 | Head | Operator | Louisiana |
| 7 | Mary Rose Jackson | 46 | Wife | — | Louisiana |
| 8 | Alvin Jackson | 25 | Son | Labourer | Louisiana |
| 9 | Able Jr. Jackson | 23 | Son | Labourer | Louisiana |
| 10 | Thelma Jackson THIS PERSON | 18 | Daughter | — | Louisiana |
| 11 | Benjamin Jackson | 15 | Son | — | Louisiana |
| 12 | James Jackson | 13 | Son | — | Louisiana |
| 13 | John L. Jackson | 9 | Son | — | Louisiana |
| 14 | Harvey Jackson | 5 | Son | — | Louisiana |
| 15 | Grad Legnon | 64 | Head | Foreman | Louisiana |
| 16 | Mary P. Legnon | 59 | Wife | — | Louisiana |
| 17 | Herman Haynes | 17 | G. Son | Asst To | Louisiana |
| 18 | Caveda Moss | 22 | G. Daughter | — | Louisiana |
| 19 | Jerry Jr. Moss | 1 | G. G. Son | — | Texas |
| 20 | Willie Wilson | 60 | Head | Labourer | Louisiana |
| 21 | Johnson Wilson | 27 | Head | Labourer | Louisiana |
| 22 | Clarence Johnson | 30 | Head | Labourer | Louisiana |
| 23 | Annie Johnson | 27 | Wife | — | Louisiana |
| 24 | Stanley Johnson | 7 | Son | — | Louisiana |
| 25 | Ellie Johnson | 6 | Daughter | — | Louisiana |
| 26 | Ernestine Johnson | 4 | Daughter | — | Louisiana |
| 27 | Lilly Maud Johnson | 1 | Daughter | — | Louisiana |
| 28 | Willie Lemon | 44 | Head | Labourer | Louisiana |
| 29 | Isabelle Smith | 45 | Wife | Housewife | Louisiana |
| 30 | Fred Hughes | 27 | Head | Labourer | Louisiana |
| 31 | Velma Hughes | 20 | Wife | — | Mississippi |
| 32 | Fred Jr. Hughes | 1 | Son | — | Alabama |
| 33 | Louis Lockett | 36 | Head | Hostler | Louisiana |
| 34 | Leola Lockett | 30 | Wife | — | Louisiana |
| 35 | Dorothy May Lockett | 14 | Daughter | — | Louisiana |
| 36 | Rosa May Lockett | 11 | Daughter | — | Louisiana |
| 37 | Radie Lockett | 10 | Daughter | — | Louisiana |
| 38 | Elizabeth Lockett | 9 | Daughter | — | Louisiana |
| 39 | Ruby Lockett | 7 | Daughter | — | Louisiana |
| 40 | Louis Jr. Lockett | 3 | Son | — | Louisiana |
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)