JT
Jack Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carroll-County, Missouri
Our Model Tree links this Jack Thomas across the 1930 and 1940 US Censuses in Carroll-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Missouri |
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. R. |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Eugene 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Joe Thomas | Son | — | 12 | ~1928 |
| Evelyn Thomas | Daughter | — | 17 | ~1923 |
| C Thomas | Son | — | 21 | ~1919 |
| Donald Thomas | Son | — | 7 | ~1933 |
| Albert Thomas | Head | — | 58 | ~1882 |
| La Thomas | Spouse | — | 43 | ~1897 |
| Jack Thomas | Son | — | 15 | ~1925 |
| Mary Thomas | Daughter | — | 23 | ~1917 |
| George Thomas | Son | — | 4 | ~1936 |
Census Appearances
1930
Carroll, Missouri
Son, age 5
Carroll, Missouri · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Carroll-County, Missouri
Son, age 15
Carroll-County, Missouri · implied b. ~1925 — 9 household members
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. R. |
| 1935 Residence (County) | Carroll |
| Highest Grade | Hs 1 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Thomas
Son · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Donald Thomas
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
C Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Thomas
Sibling · 1940 · age 17
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 — Carroll-County, Missouri
Open full size
1940 US Federal Census — Carroll-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02094-00261)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stephen Drennen | 35 | Head | Farmer | Missouri |
| 42 | Barbara Drennen | 8 | Daughter | — | Missouri |
| 43 | Don Williams | 29 | Head | Farmer | Missouri |
| 44 | Mary Virginia Williams | 22 | Wife | — | Missouri |
| 45 | Barbara Jane Williams | 2 | Daughter | — | Missouri |
| 46 | Albert Thomas | 58 | Head | Farmer | Missouri |
| 47 | La Ree Thomas | 43 | Wife | — | Missouri |
| 48 | Mary Ellen Thomas | 23 | Daughter | Laborer | Missouri |
| 49 | C. A. Thomas | 21 | Son | Bookkeeper | Missouri |
| 50 | Evelyn Thomas | 17 | Daughter | — | Missouri |
| 51 | Jack Thomas THIS PERSON | 15 | Son | — | Missouri |
| 52 | Joe Thomas | 12 | Son | — | Missouri |
| 53 | Donald Thomas | 7 | Son | — | Missouri |
| 54 | George Thomas | 4 | Son | — | Missouri |
| 55 | Lon Powell | 62 | Head | Farmer | Kentucky |
| 56 | Effie Powell | 46 | Wife | — | Kentucky |
| 57 | George Clapper | 26 | Head | Laborer | Missouri |
| 58 | Frieda Clapper | 21 | Wife | — | Missouri |
| 59 | Georgia Clapper | 3 | Daughter | — | Missouri |
| 60 | Ruby Ann Clapper | 0 | Daughter | — | Missouri |
| 61 | George Gregory | 58 | Head | Farmer | Kentucky |
| 62 | Robert Lee Gregory | 22 | Son | Farmer | Missouri |
| 63 | Wm. Trevitt | 72 | Lodger | — | Kentucky |
| 64 | Sol Prout | 39 | Head | Farmer | Missouri |
| 65 | Elizabeth Prout | 36 | Wife | — | Missouri |
| 66 | Jeanette Prout | 7 | Daughter | — | Missouri |
| 67 | Joe S. Bargold | 76 | Head | Farmer | Missouri |
| 68 | Maude Bargold | 66 | Wife | — | Missouri |
| 69 | Ruth Bargold | 32 | Daughter | Housekeeper | Missouri |
| 70 | Louis Hawkins | 31 | Head | Farmer | Missouri |
| 71 | Pauline Hawkins | 30 | Wife | — | Missouri |
| 72 | Melvin Hawkins | 2 | Son | — | Missouri |
| 73 | Charlie Lautenschlager | 39 | Head | Farmer | Missouri |
| 74 | Angie Lautenschlager | 28 | Wife | — | Missouri |
| 75 | D. A. Bullock | 57 | Head | Farmer | Missouri |
| 76 | Lillie Bullock | 54 | Wife | — | Missouri |
| 77 | A. J. Gilmore | 40 | Head | Laborer | Missouri |
| 78 | Anna Belle Gilmore | 29 | Wife | — | Missouri |
| 79 | Glenn Dale Gilmore | 6 | Son | — | Missouri |
| 80 | Charles David Gilmore | 1 | Son | — | Missouri |
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)