JT
Jack Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marshall-County, Kentucky
Our Model Tree links this Jack Thompson across the 1930 and 1940 US Censuses in Marshall-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Kentucky |
| Surname | Thompson |
| Given Name | Jack D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist #5 |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist 5 |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Ina Thompson | Daughter | — | 13 | ~1927 |
| Jack Thompson | Son | — | 10 | ~1930 |
| Ida Thompson | Spouse | — | 36 | ~1904 |
| Peggie Thompson | Daughter | — | 2 | ~1938 |
| James Thompson | Son | — | 15 | ~1925 |
| Patsy Thompson | Daughter | — | ~1940 |
Census Appearances
1930
Marshall, Kentucky
Son, age 1
Marshall, Kentucky · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Jack D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Marshall-County, Kentucky
Son, age 10
Marshall-County, Kentucky · implied b. ~1930 — 6 household members
| Surname | Thompson |
| Given Name | Jack D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist #5 |
| 1935 Residence (County) | Marshall |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Jack Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Thompson
Son · 1940 · age 10 · b. ~1930 · Kentucky
★ You are viewing this record
Sibling
James Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patsy Thompson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggie Thompson
Sibling · 1940 · age 2
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 — Marshall-County, Kentucky
Open full size
1940 US Federal Census — Marshall-County, Kentucky
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-01339-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida B. Thompson | 36 | Wife | — | Kentucky |
| 2 | James M. Thompson | 15 | Son | Farm Labor | Kentucky |
| 3 | Ina B. Thompson | 13 | Daughter | — | Kentucky |
| 4 | Jack D. Thompson THIS PERSON | 10 | Son | — | Kentucky |
| 5 | Peggie Thompson | 2 | Daughter | — | Kentucky |
| 6 | Patsy G. Thompson | 0 | Daughter | — | Kentucky |
| 7 | Oscar Mullinex | 42 | Head | Common Labor | Kentucky |
| 8 | Gertrude Mullinex | 45 | Wife | — | Kentucky |
| 9 | Thomas S. Hunt | 49 | Head | Farmer | Kentucky |
| 10 | May Hunt | 38 | Wife | — | Kentucky |
| 11 | Paul Hunt | 18 | Son | Laborer | Kentucky |
| 12 | Coleman Hunt | 16 | Son | Laborer | Kentucky |
| 13 | Norman Hunt | 13 | Son | — | Kentucky |
| 14 | Earene Hunt | 9 | Daughter | — | Kentucky |
| 15 | Raymond Slaughter | 33 | Head | Common Labor | Kentucky |
| 16 | Thelma C. Slaughter | 21 | Wife | — | Kentucky |
| 17 | Thelma R. Slaughter | 1 | Daughter | — | Kentucky |
| 18 | Hoy Cope | 30 | Head | Farmer | Kentucky |
| 19 | Opal Cope | 31 | Wife | — | Kentucky |
| 20 | William Cope | 11 | Son | — | Kentucky |
| 21 | James R. Cope | 7 | Son | — | Kentucky |
| 22 | Elvis K. Cope | 5 | Daughter | — | Kentucky |
| 23 | Norma D. Cope | 2 | Daughter | — | Detroit |
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)