JT
Jack Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this Jack Thomas across the 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Texas |
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Collin |
| Additional Details | |
| Occupation | Helper |
| Industry | Wholesale Beer Brewery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | Hs 4 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Helper |
| Township / Ward | Dallas City |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Joe Thomas | Daughter | — | 10 | ~1930 |
| Pearl Thomas | Spouse | — | 45 | ~1895 |
| Judy Thomas | Daughter | — | 3 | ~1937 |
| Jack Thomas | Son | — | 14 | ~1926 |
| John Thomas | Head | — | 50 | ~1890 |
| Jane Thomas | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Dallas, Texas
Son, age 3
Dallas, Texas · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Dallas-County, Texas
Son, age 14
Dallas-County, Texas · implied b. ~1926 — 6 household members
| Surname | Thomas |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Collin |
| Occupation | Helper |
| Industry | Wholesale Beer Brewery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | Hs 4 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 14 · b. ~1926 · Texas
★ You are viewing this record
Sibling
Jane Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Judy Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Thomas
Sibling · 1940 · age 10
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 — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04174-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara J. Walsh | 10 | Lodger | — | Texas |
| 2 | William Walsh | 8 | Lodger | — | Texas |
| 3 | Barney L. Shirel | 7 | Lodger | — | Texas |
| 4 | Samuel C. La Rue | 40 | Head | Salesman | Texas |
| 5 | Nellie La Rue | 36 | Wife | Owner + Operator | Texas |
| 6 | Sam P. La Rue | 5 | Son | — | Texas |
| 7 | Elias Burrow | 50 | Head | — | Texas |
| 8 | Bonnie W. Paschall | 19 | Daughter | Clerk | Texas |
| 9 | Elbert Radymore | 36 | Head | Asst. Engineer | Texas |
| 10 | Annie Radymore | 36 | Wife | — | Oklahoma |
| 11 | Helen Radymore | 15 | Daughter | — | Texas |
| 12 | Elbert Jr. Radymore | 13 | Son | — | Texas |
| 13 | John Thomas | 50 | Head | Owner + Proprietor | Texas |
| 14 | Pearl Thomas | 45 | Wife | Salesman | Texas |
| 15 | Jack Thomas THIS PERSON | 14 | Son | Helper | Texas |
| 16 | Joe Ann Thomas | 10 | Daughter | — | Texas |
| 17 | Judy Thomas | 3 | Daughter | — | Texas |
| 18 | Jane Thomas | 3 | Daughter | — | Texas |
| 19 | Luke Zaby | 23 | Head | Owner + Operator | Texas |
| 20 | Mamie Zaby | 29 | Wife | Secretary | Texas |
| 21 | Ralph Shafer | 29 | Head | Taxi Driver | Georgia |
| 22 | Bessie Shafer | 30 | Wife | — | Texas |
| 23 | William M. Shafer | 29 | Brother | Taxi Driver | Georgia |
| 24 | Hubert Mcdowell | 40 | Head | Waiter | Texas |
| 25 | Esther Mcdowell | 42 | Wife | Waitress | Texas |
| 26 | Elizabeth Weaver | 74 | Head | Cook | Indiana |
| 27 | Frank Weaver | 44 | Son | City Salesman | Texas |
| 28 | Charles Fuage | 60 | Lodger | Helper | Ohio |
| 29 | Izora Malone | 69 | Head | Owner + Proprietor | Texas |
| 30 | Eulel Johnson | 26 | Grand-daughter | Presser | Texas |
| 31 | Willie Mae Mason | 24 | Grand-daughter | Maid | Texas |
| 32 | John Humphry | 38 | Head | Truck Driver | Texas |
| 33 | Nancy Ellis | 46 | Head | Cook | Texas |
| 34 | Adessa Simmons | 44 | Head | Maid | Texas |
| 35 | John H. Thomas | 39 | Head | Weigher | Texas |
| 36 | Clara Thomas | 29 | Wife | Grader | Louisiana |
| 37 | Willie Thomas | 21 | Son | Yard Man | Texas |
| 38 | Jewel Cardwell | 47 | Head | Owner + Operator | Texas |
| 39 | Sterling Thomas | 36 | Son-in-law | Porter | Texas |
| 40 | Mamie Thomas | 25 | Daughter | Maid | Texas |
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)