DT
Dorothy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Lula — first a daughter (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Evelyn White | Daughter | — | 21 | ~1919 |
| Dorothy Thomas | Daughter | — | 23 | ~1917 |
| Jeanette White | Daughter | — | 13 | ~1927 |
| Ethel White | Daughter | — | 18 | ~1922 |
| William White | Head | — | 50 | ~1890 |
| Joan Thomas | Other | — | 1 | ~1939 |
| Lawrence Thomas | Other | — | 3 | ~1937 |
| Lula White | Spouse | — | 49 | ~1891 |
Census Appearances
1920
None, Maryland
Other, age 3
None, Maryland · implied b. ~1917 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 13
Baltimore, Maryland · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 23
Baltimore-City-County, Maryland · implied b. ~1917 — 8 household members
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 3 locations, using XGBoost record linkage. Identified parents: father William White (~0.92 confidence) and mother Lula White (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William White
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lula White
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thomas
Daughter · 1940 · age 23 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Evelyn White
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel White
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette White
Sibling · 1940 · age 13
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01524-00099)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Gieger | 51 | Head | Manager | Russia |
| 2 | Anna Gieger | 48 | Wife | — | New York |
| 3 | Shirley Gieger | 20 | Daughter | Saleslady | Maryland |
| 4 | Lesley Gieger | 16 | Daughter | — | Pennsylvania |
| 5 | Miriam Middleman | 25 | Daughter | Buyer | New York |
| 6 | Lois Middleman | 2 | Granddaughter | — | Maryland |
| 7 | Benjamin Berger | 73 | Head | Installer Fixtures | Austria |
| 8 | Jennie Berger | 67 | Wife | — | Austria |
| 9 | Jack Berger | 41 | Son | Diamond Work | Austria |
| 10 | Robert Lurie | 23 | Head | Blocker | Maryland |
| 11 | Gladys Lurie | 23 | Wife | Clerical Work | Maryland |
| 12 | William White | 50 | Head | Architectural Draftsman | Maryland |
| 13 | Lula White | 49 | Wife | — | Maryland |
| 14 | Evelyn White | 21 | Daughter | Stenographer | Maryland |
| 15 | Ethel White | 18 | Daughter | — | Maryland |
| 16 | Jeanette White | 13 | Daughter | — | Maryland |
| 17 | Dorothy Thomas THIS PERSON | 23 | Daughter | — | Maryland |
| 18 | Lawrence Thomas | 3 | Grandson | — | Maryland |
| 19 | Joan Thomas | 1 | Granddaughter | — | Maryland |
| 20 | Charles Crawford | 50 | Head | Steward | Maryland |
| 21 | Helen Crawford | 41 | Wife | — | Maryland |
| 22 | John Crawford | 12 | Son | — | Maryland |
| 23 | Patricia Crawford | 7 | Daughter | — | Maryland |
| 24 | Simon Rankin | 45 | Head | Plumber | Maryland |
| 25 | Sarah Rankin | 42 | Wife | Clerk | Maryland |
| 26 | Casper Rankin | 20 | Son | Airplane Mechanic | Maryland |
| 27 | Madeline Rankin | 17 | Daughter | — | Maryland |
| 28 | Mildred Rankin | 70 | Mother | — | Russia |
| 29 | Emma Wheeler | 44 | Head | — | Maryland |
| 30 | Lois Wheeler | 22 | Daughter | Secretary | California |
| 31 | Frederick Strauss | 76 | Head | Salesman | New Jersey |
| 32 | Melvin Strauss | 22 | Son | Salesman | Maryland |
| 33 | Pearl Strauss | 20 | Daughter | — | Maryland |
| 34 | Shirley Strauss | 14 | Daughter | — | Maryland |
| 35 | Evelyn Strauss | 13 | Daughter | — | Maryland |
| 36 | Asa W. Bailey | 53 | Head | Freight Conductor | Maryland |
| 37 | Zola S. Bailey | 48 | Wife | — | Maryland |
| 38 | Albert W. Trumpler | 30 | Head | Traffic Manager | Maryland |
| 39 | Frieda Trumpler | 27 | Wife | — | Maryland |
| 40 | Joseph W. Hiteshew | 40 | Head | Accountant | Maryland |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 2 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)