DT
Dorothy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Wm & Anna — first a spouse (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Thomas |
| Given Name | Dorothy J (x) |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 10 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton City |
| 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 |
|---|---|---|---|---|
| Francis Thomas | Head | — | 23 | ~1917 |
| Margaret Haley | Other | — | 22 | ~1918 |
| Rosemary Haley | Other | — | 17 | ~1923 |
| Michael Thomas | Son | — | 1 | ~1939 |
| Dorothy Thomas | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Ohio
Daughter, age 1
Montgomery, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy D |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Daughter, age 11
Montgomery, Ohio · implied b. ~1919 — 5 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 | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Spouse, age 21
Montgomery-County, Ohio · implied b. ~1919 — 5 household members
| Surname | Thomas |
| Given Name | Dorothy J (x) |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Income (1939) | 0 |
| Highest Grade | Hs 4 10 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Wm Thomas (~0.82 confidence) and mother Anna Thomas (~0.82 confidence) and father Paul Thomas (~0.92 confidence) and mother Maybelle Thomas (~0.92 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Wm Thomas
b. ~1864
Source father>father
● Household
· direct · ~0.82
Mother
Anna Thomas
b. ~1866
Source father>mother
● Household
· direct · ~0.82
Father
Paul Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Maybelle Thomas
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thomas
Spouse · 1940 · age 21 · b. ~1919 · Ohio
★ 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03254-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J Knight | 60 | Head | Gardener | Kentucky |
| 2 | Barbara L (X) Knight | 50 | Wife | — | Ohio |
| 3 | Edward W Burbridge | 25 | Step-son | Laborer | Ohio |
| 4 | Margaret E Burbridge | 22 | Daughter-in-law | — | Kentucky |
| 5 | Juanita H Burbridge | 4 | Grand daughter | — | Ohio |
| 6 | James (X) Pruitt | 52 | Head | Janitor | Ohio |
| 7 | Alice Ruth Pruitt | 22 | Lodger | Laundress | Tennessee |
| 8 | Here Ends Block 76 - Starts Block 92 | None | — | — | — |
| 9 | Charles A Pummell | 59 | Head | Job Setter | Ohio |
| 10 | Clara (X) Pummell | 45 | Wife | — | Ohio |
| 11 | Charles Jr Pummell | 23 | Son | Polisher | Ohio |
| 12 | Edith P Pummell | 21 | Daughter | Typist | Ohio |
| 13 | Mildred I Pummell | 18 | Daughter | Typist | Ohio |
| 14 | Leo E (X) Dugdale | 33 | Head | Punch Press Operator | Iowa |
| 15 | Mildred Dugdale | 31 | Wife | — | South Dakota |
| 16 | Leo Jr Dugdale | 12 | Son | — | Ohio |
| 17 | Betty Dugdale | 10 | Daughter | — | Ohio |
| 18 | Joan Dugdale | 8 | Daughter | — | Ohio |
| 19 | Richard W Dugdale | 5 | Son | — | Ohio |
| 20 | Rutherford H Fulmer | 64 | Head | Capping Machine Operator | Ohio |
| 21 | Maud (X) Fulmer | 54 | Wife | — | Ohio |
| 22 | Betty J Fulmer | 16 | Daughter | — | Ohio |
| 23 | Phil W Fulmer | 21 | Son | Attendant | Ohio |
| 24 | Evelyn M Fulmer | 19 | Daughter-in-law | — | Ohio |
| 25 | Albert Jr Fulmer | 0 | Grandson | — | Ohio |
| 26 | Francis E Thomas | 23 | Head | Punch Press Operator | Indiana |
| 27 | Dorothy J (X) Thomas THIS PERSON | 21 | Wife | — | Ohio |
| 28 | Michael R Thomas | 1 | Son | — | Ohio |
| 29 | Margaret R Haley | 22 | Sister-in-law | Nurse | Ohio |
| 30 | Rosemary F Haley | 17 | Sister-in-law | — | Ohio |
| 31 | Jacob G Hollywood | 74 | Head | Job Pressman | Minnesota |
| 32 | Helen E (X) Hollywood | 73 | Wife | — | Ohio |
| 33 | George Preston | 40 | Head | Punch Press Operator | Rumania |
| 34 | Florence (X) Preston | 34 | Wife | — | Austria Hungary |
| 35 | Mary J Preston | 16 | Daughter | — | Ohio |
| 36 | Betty A Preston | 10 | Daughter | — | Ohio |
| 37 | Fred G (X) Hinton | 34 | Head | Tank Wagon Operator | Ohio |
| 38 | Dorothy M Hinton | 29 | Wife | — | Illinois |
| 39 | James L Hinton | 14 | Son | — | Ohio |
| 40 | Clarence Norris | 25 | Brother-in-law | Cab Driver | Illinois |
Related Census Records
Pedigree Summary
Dorothy
Gen 1 · 2 parents
~0.92
Gen 2 · 2 grandparents
~0.82
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)