DT
Dorothy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Missouri
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Missouri (XGBoost, ~Confirmed), with identified parents Jesse & Emma — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Missouri |
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Joachim |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Teacher |
| Township / Ward | Joachim |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Thomas | Daughter | — | 21 | ~1919 |
| Frieda Thomas | Daughter | — | 32 | ~1908 |
| Jesse Thomas | Head | — | 68 | ~1872 |
| Homer Thomas | Son | — | 31 | ~1909 |
| Emma Thomas | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Jefferson, Missouri
Daughter, age 2
Jefferson, Missouri · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jefferson, Missouri
Daughter, age 11
Jefferson, Missouri · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jefferson-County, Missouri
Daughter, age 21
Jefferson-County, Missouri · implied b. ~1919 — 5 household members
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Joachim |
| 1935 Residence (County) | Jefferson |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Dorothy Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse Thomas (~0.92 confidence) and mother Emma Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and father Jesse Thomas (~0.92 confidence) and mother Etta Thomas (~0.92 confidence) and mother Emma Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Emma Thomas
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Jesse Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Etta Thomas
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Emma Thomas
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thomas
Daughter · 1940 · age 21 · b. ~1919 · Missouri
★ You are viewing this record
Sibling
Homer Thomas
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frieda Thomas
Sibling · 1940 · age 32
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 — Jefferson-County, Missouri
Open full size
1940 US Federal Census — Jefferson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02119-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred J. Glosero | 28 | Head | Craneman | Missouri |
| 42 | Gertrude Glosero | 29 | Wife | — | Missouri |
| 43 | James Jerome Glosero | 7 | Son | — | Missouri |
| 44 | Shirley Ann Glosero | 4 | Daughter | — | Missouri |
| 45 | Linda Louise Glosero | 2 | Daughter | — | Missouri |
| 46 | Cecil P. Cramick | 35 | Head | Order Cutter | Missouri |
| 47 | Wilma Cramick | 34 | Wife | — | Oklahoma |
| 48 | Cecil Jr. Cramick | 13 | Son | — | Missouri |
| 49 | Joseph Cramick | 9 | Son | — | Iowa |
| 50 | Lois M. Cramick | 7 | Daughter | — | Iowa |
| 51 | Johnny Cramick | 5 | Son | — | Missouri |
| 52 | Billy Cramick | 5 | Son | — | Missouri |
| 53 | Marvin Cramick | 2 | Son | — | Missouri |
| 54 | Donald Cramick | 1 | Son | — | Missouri |
| 55 | Jesse W. Thomas | 68 | Head | Bartender | Missouri |
| 56 | Emma P. Thomas | 60 | Wife | — | Missouri |
| 57 | Frieda Thomas | 32 | Daughter | Seamstress | Missouri |
| 58 | Homer Thomas | 31 | Son | Layer | Missouri |
| 59 | Dorothy Thomas THIS PERSON | 21 | Daughter | Teacher | Missouri |
| 60 | William S. Yeida | 33 | Head | Cutter | Missouri |
| 61 | Odell Yeida | 30 | Wife | — | Missouri |
| 62 | William Eugene Yeida | 12 | Son | — | Missouri |
| 63 | Emma Yeida | 88 | Grand Mother | — | Germany |
| 64 | Amos L. Carron | 31 | Head | Auto Clave Operator | Missouri |
| 65 | Ethel Carron | 29 | Wife | — | Missouri |
| 66 | Roger Douglas Carron | 3 | Son | — | Missouri |
| 67 | John F. Carron | 2 | Son | — | Missouri |
| 68 | Chloe Ethel Carron | 0 | Daughter | — | Missouri |
| 69 | Herbert G. Campbell | 47 | Head | Mechanic Helper | Missouri |
| 70 | Margaret Campbell | 53 | Wife | — | Missouri |
| 71 | Doris Campbell | 6 | Daughter | — | Missouri |
| 72 | Helen Campbell | 1 | Daughter | — | Missouri |
| 73 | Louis Campbell | 75 | Father | — | Missouri |
| 74 | Oliver Runzi | 45 | Head | Shifter Of Glass | Missouri |
| 75 | Alice Runzi | 40 | Wife | — | Illinois |
| 76 | P. Thomas Runzi | 15 | Son | — | Missouri |
| 77 | Goldie Runzi | 13 | Daughter | — | Illinois |
| 78 | Roy P. Mcclain | 38 | Head | Electrician | Missouri |
| 79 | Myrtle Mcclain | 30 | Wife | — | Missouri |
| 80 | Arlene Mcclain | 5 | Daughter | — | Missouri |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 6 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)