DT
Doris Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Doris Thomas across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Thomas |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Hagerstown |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| David Thomas | Son | — | 1 | ~1939 |
| Beverly Thomas | Daughter | — | 6 | ~1934 |
| Doris Thomas | Daughter | — | 15 | ~1925 |
| Edwin Thomas | Other | — | 11 | ~1929 |
| James Thomas | Son | — | 12 | ~1928 |
| Yvonne Thomas | Daughter | — | 3 | ~1937 |
| Shelley Thomas | Daughter | — | 5 | ~1935 |
| Donald Thomas | Son | — | 10 | ~1930 |
| Thelma Thomas | Spouse | — | 35 | ~1905 |
| Walter Thomas | Head | — | 35 | ~1905 |
Census Appearances
1930
Washington, Maryland
Other, age 4
Washington, Maryland · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Doris J. |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Daughter, age 15
Washington-County, Maryland · implied b. ~1925 — 10 household members
| Surname | Thomas |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 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 Doris Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Thomas
Daughter · 1940 · age 15 · b. ~1925 · Maryland
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Sibling
Beverly Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Thomas
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shelley Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Yvonne Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thomas
Sibling · 1940 · age 12
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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01561-00191)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 3 | Edith Draper | 52 | Wife | — | Maryland |
| 4 | Walter Thomas | 35 | Head | Metal Worker | Virginia |
| 5 | Thelma Thomas | 35 | Wife | — | Maryland |
| 6 | Doris Thomas THIS PERSON | 15 | Daughter | — | Maryland |
| 7 | James Thomas | 12 | Son | — | Maryland |
| 8 | Edwin Thomas | 11 | Daughter|Son | — | Maryland |
| 9 | Donald Thomas | 10 | Son | — | Maryland |
| 10 | Beverly Thomas | 6 | Daughter | — | Maryland |
| 11 | Shelley Thomas | 5 | Daughter | — | Maryland |
| 12 | Yvonne Thomas | 3 | Daughter | — | Maryland |
| 13 | David Thomas | 1 | Son | — | Maryland |
| 14 | Preston Sanders | 32 | Head | Baker | Maryland |
| 15 | Mildred Sanders | 30 | Wife | — | Maryland |
| 16 | Charles Sanders | 9 | Son | — | Maryland |
| 17 | Richard Sanders | 7 | Son | — | Maryland |
| 18 | Donald Sanders | 4 | Son | — | Maryland |
| 19 | Gary Sanders | 3 | Son | — | Maryland |
| 20 | Bobby Sanders | 1 | Son | — | Maryland |
| 21 | Charles Sullivan | 34 | Head | Baker | Maryland |
| 22 | Margaret Sullivan | 34 | Wife | — | Maryland |
| 23 | Wilbur Sullivan | 18 | Son | — | Maryland |
| 24 | Charles Sullivan | 17 | Son | — | Maryland |
| 25 | John Sullivan | 13 | Son | — | Maryland |
| 26 | Hilda Sullivan | 12 | Daughter | — | Maryland |
| 27 | Lavina Sullivan | 10 | Daughter | — | Maryland |
| 28 | Robert Sullivan | 2 | Son | — | Maryland |
| 29 | Clarence Blenard | 47 | Head | Fireman | Maryland |
| 30 | Dolly Blenard | 43 | Wife | — | Maryland |
| 31 | Lester Baker | 36 | Head | Laborer | Maryland |
| 32 | Helen Baker | 36 | Wife | — | Maryland |
| 33 | Nancy Baker | 1 | Daughter | — | Maryland |
| 34 | Arthur Ryan | 26 | Head | Welder | Maryland |
| 35 | Martha Ryan | 23 | Wife | — | Maryland |
| 36 | Elmer Ryan | 5 | Son | — | Maryland |
| 37 | John Ryan | 3 | Son | — | Maryland |
| 38 | Richard Ryan | 2 | Son | — | Maryland |
| 39 | Dana Wolf | 25 | Head | Sheet Metal Worker | Pennsylvania |
| 40 | Hazel Wolf | 20 | Wife | Knitting | Maryland |
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)