DT
David Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, Missouri
Our Model Tree links this David Thomas across the 1920, 1930 and 1940 US Censuses in Cass-County, Missouri (XGBoost, ~Confirmed), with identified parents Sarah — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Missouri |
| Surname | Thomas |
| Given Name | David C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Archie Town |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | road work |
| Industry | township |
| Class of Worker | PW |
| Income (1939) | 500 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Road Work |
| Township / Ward | Archie Town |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Thomas | Head | — | 39 | ~1901 |
| David Thomas | Son | — | 8 | ~1932 |
| Nettie Thomas | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Cass, Missouri
Son, age 18
Cass, Missouri · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cass, Missouri
Head, age 28
Cass, Missouri · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Labour |
| Industry | State Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cass-County, Missouri
Head, age 39
Cass-County, Missouri · implied b. ~1901 — 3 household members
| Surname | Thomas |
| Given Name | David C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Archie Town |
| 1935 Residence (County) | Cass |
| Occupation | road work |
| Industry | township |
| Class of Worker | PW |
| Income (1939) | 500 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 David Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Thomas (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Thomas
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Thomas
Head · 1940 · age 39 · b. ~1901 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cass-County, Missouri
Open full size
1940 US Federal Census — Cass-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02095-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Burton | 71 | Head | — | Indiana |
| 2 | Earnest G. Bell | 29 | Head | Truck Driver | Missouri |
| 3 | Delores J. Bell | 28 | Wife | Waitress | Waitress | Missouri |
| 4 | Barbara A. Bell | 5 | Daughter | — | Missouri |
| 5 | Osma O. Hodges | 45 | Head | Seamstress | Missouri |
| 6 | Paul W. Brown | 17 | Son | — | Oklahoma |
| 7 | Billy Jr. Hodges | 8 | Son | — | Missouri |
| 8 | Gale J. Houtz | 34 | Head | Salesman | Missouri |
| 9 | Helena V. Houtz | 35 | Wife | Saleswoman | Missouri |
| 10 | Arnold P. Jessee | 67 | Lodger | — | Virginia |
| 11 | Eugene P. Easterla | 30 | Head | Truck Driver | Missouri |
| 12 | Eula M. Easterla | 25 | Wife | — | Missouri |
| 13 | Shirley M. Easterla | 2 | Daughter | — | Missouri |
| 14 | Winifred R. Cantrell | 20 | Head | Truck Driver | Missouri |
| 15 | Edna L. Cantrell | 21 | Wife | — | Missouri |
| 16 | Barbara J. Cantrell | 1 | Daughter | — | Missouri |
| 17 | Harvey J. Lipton | 57 | Head | — | Missouri |
| 18 | Carmelia A. Lipton | 58 | Wife | — | Nebraska |
| 19 | Alma N. Lipton | 15 | Daughter | — | Missouri |
| 20 | Mary Atchison | 78 | Head | — | Illinois |
| 21 | Carrie E. George | 61 | Head | — | Missouri |
| 22 | Earl C. Hodges | 16 | Nephew | — | Missouri |
| 23 | James D. Mattingly | 51 | Head | Road Work | Missouri |
| 24 | Bessie E. Mattingly | 51 | Wife | — | Missouri |
| 25 | James E. Mattingly | 18 | Son | — | Missouri |
| 26 | Horace O. Mattingly | 15 | Son | — | Missouri |
| 27 | Jasper L. Atchison | 44 | Head | Road Work | Missouri |
| 28 | Edith B. Atchison | 36 | Wife | Seamstress | Missouri |
| 29 | Leland H. Atchison | 18 | Son | — | Missouri |
| 30 | David C. Thomas THIS PERSON | 39 | Head | Road Work | Illinois |
| 31 | Nettie N. Thomas | 29 | Wife | — | Missouri |
| 32 | David L. Thomas | 8 | Son | — | Missouri |
| 33 | Alfred D. Bell | 71 | Head | Truck Driver | Illinois |
| 34 | Elsie M. Bell | 54 | Wife | — | Kansas |
| 35 | Elmer L. Bell | 23 | Son | — | Missouri |
| 36 | Clarence H. Easterla | 41 | Head | Proprietor | Missouri |
| 37 | Rosa O. Easterla | 24 | Wife | — | Missouri |
| 38 | Charles W. Easterla | 17 | Son | Laborer | Missouri |
| 39 | Harold D. Easterla | 7 | Son | — | Missouri |
| 40 | Glenn L. Lacy | 25 | Head | Salesman | Missouri |
Pedigree Summary
David
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)