DT
Dorothy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Mary — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Maid |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Pauline Weddle | Daughter | — | 20 | ~1920 |
| Dorothy Thomas | Daughter | — | 22 | ~1918 |
| Ruth Weddle | Head | — | 47 | ~1893 |
| Harry Wilt | Other | — | 21 | ~1919 |
| Richard Weddle | Son | — | 16 | ~1924 |
Census Appearances
Daughter, age 1
Frederick, Maryland · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Doris A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Daughter, age 12
Frederick, Maryland · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Daughter, age 22
Frederick-County, Maryland · implied b. ~1918 — 5 household members
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father Elmer Thomas (~0.92 confidence) and mother Maud Thomas (~0.92 confidence) and mother Ruth Weddle (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Elmer Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Maud Thomas
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ruth Weddle
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thomas
Daughter · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Pauline Weddle
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Weddle
Sibling · 1940 · age 16
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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01548-00111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gunnabell|Gunnabelle Powell | 25 | Wife | Laundress | Maryland |
| 42 | Leane Powell | 7 | Daughter | — | Maryland |
| 43 | Newell Easterday | 24 | Head | Presser | Maryland |
| 44 | Marian Easterday | 20 | Wife | — | Pennsylvania |
| 45 | Barbara Ann Easterday | 1 | Daughter | — | Maryland |
| 46 | Charles Taylor | 29 | Head | Welder | Maryland |
| 47 | Tarma Taylor | 23 | Wife | Baster | Maryland |
| 48 | Austin Deubler | 20 | Head | Finisher | Maryland |
| 49 | Grace Deubler | 21 | Wife | — | Maryland |
| 50 | Doris Deubler | 1 | Daughter | — | Maryland |
| 51 | Dorothy Deubler | 1 | Daughter | — | Maryland |
| 52 | Walter Shank | 31 | Head | Cutter (Meat) | Maryland |
| 53 | Evelyn Shank | 31 | Wife | — | Pennsylvania |
| 54 | Charles B. Shank | 15 | Son | — | Maryland |
| 55 | Ethel Shank | 13 | Daughter | — | Maryland |
| 56 | Jackie Shank | 11 | Son | — | Maryland |
| 57 | Robert Shank | 9 | Son | — | Maryland |
| 58 | Ray Shank | 8 | Son | — | Maryland |
| 59 | John Dinterman | 60 | Head | Yardmaster | Maryland |
| 60 | Edie Dinterman | 43 | Wife | — | Maryland |
| 61 | Albert Dinterman | 23 | Son | Counterman | Maryland |
| 62 | Betty J. Dinterman | 16 | Daughter | — | Maryland |
| 63 | Horace Dinterman | 10 | Son | — | Maryland |
| 64 | Katherine Dinterman | 11 | Daughter | — | Maryland |
| 65 | Clifford Dinterman | 8 | Son | — | Maryland |
| 66 | Ruth Weddle | 47 | Head | — | Maryland |
| 67 | Dorothy Thomas THIS PERSON | 22 | Daughter | Maid | Maryland |
| 68 | Pauline Weddle | 20 | Daughter | Representative | Maryland |
| 69 | Richard Weddle | 16 | Son | — | Maryland |
| 70 | Harry Wilt | 21 | Lodger | Route Driver | Maryland |
| 71 | Frank Bonnell | 55 | Head | Accountant | Illinois |
| 72 | Mabel Bonnell | 51 | Wife | — | Maryland |
| 73 | George Bonnell | 19 | Son | Draftsman | Missouri |
| 74 | Robert Bonnell | 27 | Son | — | Illinois |
| 75 | Jean Bonnell | 20 | Daughter | — | Illinois |
| 76 | Agustus Taylor | 43 | Head | Printer | Maryland |
| 77 | Gladys Taylor | 27 | Wife | — | Maryland |
| 78 | Harry Taylor | 17 | Son | — | Maryland |
| 79 | Harry Taylor | 15 | Son | — | Maryland |
Related Census Records
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 5 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)