RT
Roy Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vernon-County, Louisiana
Our Model Tree links this Roy Thompson across the 1930 and 1940 US Censuses in Vernon-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vernon-County, Louisiana |
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Vernon |
| Additional Details | |
| Highest Grade | S 7 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Thompson | Son | — | 14 | ~1926 |
| Roy Thompson | Son | — | 11 | ~1929 |
| Leo Thompson | Son | — | 6 | ~1934 |
| Barney Thompson | Son | — | 16 | ~1924 |
| Wiley Thompson | Head | — | 39 | ~1901 |
| Elva Thompson | Daughter | — | 9 | ~1931 |
| Lizzie Thompson | Spouse | — | 36 | ~1904 |
| Edward Thompson | Son | — | 18 | ~1922 |
Census Appearances
Son, age 1
Vernon, Louisiana · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Vernon-County, Louisiana
Son, age 11
Vernon-County, Louisiana · implied b. ~1929 — 8 household members
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Vernon |
| Highest Grade | S 7 |
| 1935 Residence | Same House |
| 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 Roy Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Thompson
Son · 1940 · age 11 · b. ~1929 · Louisiana
★ You are viewing this record
Sibling
Gilbert Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Thompson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elva Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barney Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Thompson
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 — Vernon-County, Louisiana
Open full size
1940 US Federal Census — Vernon-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01462-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lincon Bass | 12 | Son | — | Louisiana |
| 42 | Treasee Lee Bass | 10 | Daughter | — | Louisiana |
| 43 | Coy Jay Bass | 7 | Son | — | Louisiana |
| 44 | Jealie Johnson | 15 | Step-daughter | — | Louisiana |
| 45 | William H. Bailey | 77 | Head | Farming | Louisiana |
| 46 | S. J. Mrs. Bailey | 73 | Wife | — | Louisiana |
| 47 | Morgan Q. Bailock | 70 | Head | — | Louisiana |
| 48 | Calvin Johnson | 66 | Brother | — | Louisiana |
| 49 | Wavy James | 45 | Head | Farming | Louisiana |
| 50 | Art Mrs. James | 40 | Wife | — | Louisiana |
| 51 | C. W. James | 15 | Son | — | Louisiana |
| 52 | Betty Ruth James | 7 | Daughter | — | Louisiana |
| 53 | Tennessee Owens | 78 | Lodger | — | Louisiana |
| 54 | John W. James | 48 | Head | Farming | Louisiana |
| 55 | Parnelie James | 43 | Wife | — | Louisiana |
| 56 | Clyde L. James | 17 | Son | — | Louisiana |
| 57 | J. Lee Doyal | 37 | Head | Laborer | Louisiana |
| 58 | Minnie Lee Doyal | 18 | Wife | — | Louisiana |
| 59 | Dorothy Nona Doyal | 11 | Daughter | — | Louisiana |
| 60 | Dorothy Doyal | 11 | Daughter | — | Louisiana |
| 61 | Ruby Lee Doyal | 9 | Daughter | — | Louisiana |
| 62 | Opal Lee Doyal | 9 | Daughter | — | Louisiana |
| 63 | Billy Fay Doyal | 6 | Daughter | — | Louisiana |
| 64 | Willard Thompson | 1 | Step-son | — | Louisiana |
| 65 | Oliver Glenn Culpin | 35 | Head | Operator | Missouri |
| 66 | Goldie Lee Culpin | 32 | Wife | — | Oklahoma |
| 67 | Wiley Thompson | 39 | Head | Farming | Louisiana |
| 68 | Lizzie Beth Thompson | 36 | Wife | — | Louisiana |
| 69 | Edward Thompson | 18 | Son | — | Louisiana |
| 70 | Barney Thompson | 16 | Son | — | Louisiana |
| 71 | Gilbert Thompson | 14 | Son | — | Louisiana |
| 72 | Roy Thompson THIS PERSON | 11 | Son | — | Louisiana |
| 73 | Elva Thompson | 9 | Daughter | — | Louisiana |
| 74 | Leo Thompson | 6 | Son | — | Louisiana |
| 75 | Edmond Thompson | 31 | Head | Laborer | Louisiana |
| 76 | Ebamae Thompson | 27 | Wife | — | Louisiana |
| 77 | Lorie Thompson | 6 | Daughter | — | Louisiana |
| 78 | Luster D. Bass | 27 | Head | Laborer | Louisiana |
| 79 | Vergie Bass | 21 | Wife | — | Louisiana |
| 80 | Margie Marie Bass | 4 | Daughter | — | Louisiana |
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)