LT
Louis Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, South Carolina
Our Model Tree links this Louis Thompson across the 1930 and 1940 US Censuses in Marion-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, South Carolina |
| Surname | Thompson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | No 3 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Reaves Township |
| Est. Birth Year | ~1925 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Marvin Thompson | Son | — | 16 | ~1924 |
| Lula Thompson | Daughter | — | 13 | ~1927 |
| Lillie Thompson | Spouse | — | 32 | ~1908 |
| Mother Thompson | Daughter | — | 12 | ~1928 |
| Joe Thompson | Son | — | 2 | ~1938 |
| Allan Thompson | Son | — | 4 | ~1936 |
| Louis Thompson | Son | — | 15 | ~1925 |
| Lucy Thompson | Daughter | — | 10 | ~1930 |
| Allan Thompson | Head | — | 37 | ~1903 |
| Mary Thompson | Daughter | — | 3 | ~1937 |
| Edith Thompson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Marion, South …
Son, age 4
Marion, South Carolina · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| 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
Marion-County, South …
Son, age 15
Marion-County, South Carolina · implied b. ~1925 — 11 household members
| Surname | Thompson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Marion |
| Highest Grade | No 3 |
| 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 Louis Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Thompson
Son · 1940 · age 15 · b. ~1925 · South Carolina
★ You are viewing this record
Sibling
Lula Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Thompson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mother Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allan Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Thompson
Sibling · 1940 · age 5
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 — Marion-County, South Carolina
Open full size
1940 US Federal Census — Marion-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03825-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Durwin Reaves | 4 | Son | — | Georgia |
| 42 | Harry (X) Reaves | 21 | Head | Farmer | South Carolina |
| 43 | Magdeline Reaves | 38 | Mother | — | South Carolina |
| 44 | Lawrence Reaves | 24 | Brother | Laborer | South Carolina |
| 45 | Eva Reaves | 18 | Sister | Laborer | South Carolina |
| 46 | Clara Reaves | 16 | Sister | — | South Carolina |
| 47 | Willie Reaves | 7 | Brother | — | South Carolina |
| 48 | Curtis Lewis | 24 | Lodger | Laborer | South Carolina |
| 49 | Ramer (X) Brunson | 22 | Head | Farmer | South Carolina |
| 50 | Hellen Brunson | 20 | Wife | — | South Carolina |
| 51 | Allan Thompson | 37 | Head | Farmer | South Carolina |
| 52 | Lillie M. Thompson | 32 | Wife | — | South Carolina |
| 53 | Marvin Thompson | 16 | Son | Laborer | South Carolina |
| 54 | Louis Thompson THIS PERSON | 15 | Son | — | South Carolina |
| 55 | Lula Mae Thompson | 13 | Daughter | — | South Carolina |
| 56 | Mother M. Thompson | 12 | Daughter | — | South Carolina |
| 57 | Lucy Thompson | 10 | Daughter | — | South Carolina |
| 58 | Edith Thompson | 5 | Daughter | — | South Carolina |
| 59 | Allan Jr. Thompson | 4 | Son | — | South Carolina |
| 60 | Mary F. Thompson | 3 | Daughter | — | South Carolina |
| 61 | Joe B. Thompson | 2 | Son | — | South Carolina |
| 62 | Mckinley (X) Gerald | 37 | Head | Farmer | South Carolina |
| 63 | Rosalie Gerald | 34 | Wife | — | South Carolina |
| 64 | Willie Gerald | 13 | Son | — | South Carolina |
| 65 | Willedene Gerald | 12 | Daughter | — | South Carolina |
| 66 | Glade Gerald | 9 | Daughter | — | South Carolina |
| 67 | John C. Gerald | 7 | Son | — | South Carolina |
| 68 | James Gerald | 5 | Son | — | South Carolina |
| 69 | Mckinley Jr. Gerald | 3 | Son | — | South Carolina |
| 70 | William Brinton | 37 | Head | Farmer | South Carolina |
| 71 | Lula (X) Brinton | 30 | Wife | — | South Carolina |
| 72 | Willie L. Brinton | 14 | Son | — | South Carolina |
| 73 | Mary A. Brinton | 9 | Daughter | — | South Carolina |
| 74 | Juny Brinton | 7 | Son | — | South Carolina |
| 75 | O. C. Brinton | 3 | Son | — | South Carolina |
| 76 | Albert L. Brinton | 8 | Step-son | — | South Carolina |
| 77 | Daniel (X) Nance | 40 | Head | Farmer | South Carolina |
| 78 | Amanda Nance | 39 | Wife | — | South Carolina |
| 79 | Hozemita Nance | 19 | Daughter | — | South Carolina |
| 80 | Daniel Jr. Nance | 16 | Son | — | 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)