DT
Doris Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Doris Thomas across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Doris C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore Md |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore Md |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Doris Thomas | Daughter | — | 15 | ~1925 |
| William Thomas | Head | — | 50 | ~1890 |
| William Thomas | Son | — | 30 | ~1910 |
| Edna Thomas | Daughter | — | 18 | ~1922 |
| Walter Thomas | Son | — | 20 | ~1920 |
| Margaret Thomas | Spouse | — | 52 | ~1888 |
| Alma Schisley | Other | — | 20 | ~1920 |
| Charles Thomas | Son | — | 18 | ~1922 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 5
Baltimore, Maryland · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Doris M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| 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 15
Baltimore-City-County, Maryland · implied b. ~1925 — 8 household members
| Surname | Thomas |
| Given Name | Doris C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore Md |
| 1935 Residence (County) | Baltimore |
| Highest Grade | 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 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
Walter Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thomas
Sibling · 1940 · age 30
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-t0627-01537-00550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lydia Fritz | 63 | Head | — | Maryland |
| 42 | Fred Myler | 25 | Lodger | Machinist | Maryland |
| 43 | Louis Westenmeyer | 27 | Lodger | Helper | Maryland |
| 44 | Warner Fenmerman | 50 | Head | Steeple Jack | Finland |
| 45 | Gertrude Fenmerman | 47 | Wife | — | Poland |
| 46 | Constance Fenmerman | 20 | Daughter | Presser | Maryland |
| 47 | Marion Fenmerman | 19 | Son | Clerk | Maryland |
| 48 | Patricia Fenmerman | 5 | Daughter | — | Maryland |
| 49 | Carmello Franz | 51 | Head | Contractor | Italy |
| 50 | Anna Franz | 53 | Wife | — | Italy |
| 51 | Josephine Franz | 23 | Daughter | Saleslady | Maryland |
| 52 | Rose Franz | 21 | Daughter | Factory | Maryland |
| 53 | Anthony Franz | 20 | Son | Laborer | Maryland |
| 54 | Nicholas Franz | 18 | Son | — | Maryland |
| 55 | Anna Franz | 13 | Daughter | — | Maryland |
| 56 | Thomas Laing | 33 | Head | Welder | Maryland |
| 57 | Mary Laing | 48 | Mother | — | Maryland |
| 58 | Phil Arjedonon | 33 | Head | Salesman | Maryland |
| 59 | Angie Arjedonon | 32 | Wife | — | Maryland |
| 60 | Elva J. Arjedonon | 3 | Daughter | — | Maryland |
| 61 | Edward Cuesta | 60 | Lodger | Cooper | Maryland |
| 62 | Homer Collier | 29 | Lodger | Electrician | Maryland |
| 63 | Anna Adams | 50 | Head | Seamstress | Maryland |
| 64 | Roland Mueller | 32 | Husband | Clerk | Maryland |
| 65 | Vera N. Mueller | 28 | Wife | — | Maryland |
| 66 | Jean C. Mueller | 5 | Daughter | — | Maryland |
| 67 | Lydia Maxwell | 42 | Lodger | — | Maryland |
| 68 | William Thomas | 50 | Head | Yardmaster | Maryland |
| 69 | Margaret Thomas | 52 | Wife | — | Maryland |
| 70 | William J. Thomas | 30 | Son | Distillery | Maryland |
| 71 | Charles J. Thomas | 18 | Son | Packer | Maryland |
| 72 | Walter J. Thomas | 20 | Son | — | Maryland |
| 73 | Edna M. Thomas | 18 | Daughter | Saleslady | Maryland |
| 74 | Doris C. Thomas THIS PERSON | 15 | Daughter | — | Maryland |
| 75 | Alma M. Schisley | 20 | Niece | — | Maryland |
| 76 | Frank Kulinski | 44 | Head | Electrician | Maryland |
| 77 | Anna Kulinski | 38 | Wife | — | Maryland |
| 78 | Edith Mitchell | 60 | Lodger | Ironer | Maryland |
| 79 | William Mitchell | 42 | Lodger | Chauffeur | Maryland |
| 80 | John Mitchell | 37 | Lodger | Laborer | 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)