JT
Jack Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mccracken-County, Kentucky
Our Model Tree links this Jack Thompson across the 1930 and 1940 US Censuses in Mccracken-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mccracken-County, Kentucky |
| Surname | Thompson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Paducah |
| 1935 Residence (County) | McCracken |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Paducah |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| John Thompson | Son | — | 2 | ~1938 |
| Mary Thompson | Spouse | — | 31 | ~1909 |
| Jack Thompson | Son | — | 10 | ~1930 |
| David Thompson | Son | — | 15 | ~1925 |
| Edward Thompson | Son | — | 12 | ~1928 |
| Bernie Thompson | Head | — | 35 | ~1905 |
| Helen Thompson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Mccracken, Kentucky
Son, age
Mccracken, Kentucky · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Jack O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Mccracken-County, Kentucky
Son, age 10
Mccracken-County, Kentucky · implied b. ~1930 — 7 household members
| Surname | Thompson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Paducah |
| 1935 Residence (County) | McCracken |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Kentucky |
| 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
Edward Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John 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 — Mccracken-County, Kentucky
Open full size
1940 US Federal Census — Mccracken-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01334-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Flood | 21 | Son | Truck Driver | Kentucky |
| 2 | Homer Flood | 16 | Son | — | Kentucky |
| 3 | Mary Ellen Wright | 40 | Housekeeper | Housekeeper | Kentucky |
| 4 | George Rainey | 57 | Head | Carpenter | Kentucky |
| 5 | R. S. Rainey | 22 | Son | Shoe Cutter | Kentucky |
| 6 | Jean Rainey | 16 | Daughter | — | Kentucky |
| 7 | Bernie Thompson | 35 | Head | Truck Driver | Kentucky |
| 8 | Mary Thompson | 31 | Wife | — | Kentucky |
| 9 | David Joe Thompson | 15 | Son | — | Kentucky |
| 10 | Edward O. Thompson | 12 | Son | — | Kentucky |
| 11 | Jack Thompson THIS PERSON | 10 | Son | — | Kentucky |
| 12 | Helen M. Thompson | 5 | Daughter | — | Kentucky |
| 13 | John R. Thompson | 2 | Son | — | Kentucky |
| 14 | Ruby Pryor | 38 | Head | — | Kentucky |
| 15 | Robert Pryor | 41 | Husband | Laborer | Kentucky |
| 16 | Robert Jr. Pryor | 16 | Son | — | Kentucky |
| 17 | John Henry Pryor | 14 | Son | — | Kentucky |
| 18 | James Phelps | 22 | Son-in-law | Porter | Kentucky |
| 19 | Mildred Phelps | 17 | Daughter | — | Kentucky |
| 20 | Minnie Louise Phelps | 0 | Granddaughter | — | Kentucky |
| 21 | John W. Morris | 48 | Head | Laborer | Tennessee |
| 22 | Eliza Morris | 48 | Wife | — | Tennessee |
| 23 | Evelyn Williams | 42 | Head | Maid | Tennessee |
| 24 | Paul Johnson | 30 | Lodger | Cook | Mississippi |
| 25 | Molly Beca Kelley | 35 | Head | Ironer | Tennessee |
| 26 | Buck Kelley | 39 | Husband | Porter | Kentucky |
| 27 | Will Henry Kelley | 14 | Son | — | Kentucky |
| 28 | Harold W. Kelley | 12 | Son | — | Kentucky |
| 29 | Sammy Kelley | 10 | Son | — | Kentucky |
| 30 | J. B. Kelley | 8 | Son | — | Kentucky |
| 31 | Fred Kelley | 5 | Son | — | Kentucky |
| 32 | George Anderson | 45 | Head | — | Kentucky |
| 33 | Sandy Anderson | 48 | Husband | Laborer | Kentucky |
| 34 | Fannie Maddox | 39 | Head | — | Tennessee |
| 35 | Vera Jackson | 35 | Lodger | — | Kentucky |
| 36 | Griffin Davis | 38 | Head | Doctor | Mississippi |
| 37 | Maria Davis | 30 | Wife | — | Indiana |
| 38 | Shirley Anna Davis | 5 | Daughter | — | Kentucky |
| 39 | Will Humphrey | 60 | Head | Watchman | Kentucky |
| 40 | Fannie S. Humphrey | 58 | Wife | — | Kentucky |
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)