DT
Doris Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Doris Thomas across the 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 9
b. ~1921
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Thomas |
| Given Name | Doris E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Oakland |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Doris Thomas | Daughter | — | 9 | ~1921 |
| George Thomas | Son | — | 21 | ~1909 |
| Lillian Thomas | Daughter | — | 16 | ~1914 |
| Milton Thomas | Head | — | 62 | ~1868 |
| Viola Thomas | Spouse | — | 43 | ~1887 |
| Naomi Thomas | Daughter | — | 11 | ~1919 |
| Maybelle Thomas | Daughter | — | 17 | ~1913 |
| Charles Ames | Other | — | 74 | ~1856 |
| Charlotte Thomas | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Alameda, California
Daughter, age 9
Alameda, California · implied b. ~1921 — 9 household members
| Surname | Thomas |
| Given Name | Doris E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Daughter, age 19
Alameda-County, California · implied b. ~1921
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Thomas |
| Given Name | Dorothy Ab |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Oakland |
| 1935 Residence (County) | Alameda |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 · 1930 · age 9 · b. ~1921 · California
★ You are viewing this record
Sibling
George Thomas
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Thomas
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Thomas
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maybelle Thomas
Sibling · 1930 · age 17
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
1930 US Federal Census — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
43 people indexed on this census page (ia:1930:15thcensuspopula107unit:0730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cons Somma | 50 | Head | Stonecutter | Italy |
| 2 | Antonette Somma | 47 | Wife | — | New York |
| 3 | Charlie Somma | 18 | Son | Clerk | New York |
| 4 | Mary Somma | 15 | Daughter | — | Canada English |
| 5 | Rose Somma | 13 | Daughter | — | New York |
| 6 | Albert Correa | 37 | Head | Linotype Operator | Portugal |
| 7 | Cecelia Correa | 38 | Wife | — | Portugal |
| 8 | Caroline Correa | 13 | Daughter | — | Massachusetts |
| 9 | Aurelia Correa | 11 | Daughter | — | Massachusetts |
| 10 | Asarina Correa | 9 | Daughter | — | Massachusetts |
| 11 | Herminia Correa | 6 | Daughter | — | Massachusetts |
| 12 | Mary R Correa | 4 | Daughter | — | California |
| 13 | Earl G Fisher | 44 | Head | Office Manager | Canada English |
| 14 | Maude Fisher | 41 | Wife | — | Canada English |
| 15 | Grace Mitchell | 54 | Sister-H | — | Canada English |
| 16 | Albert A Fry | 57 | Head | Loco Fireman | Pennsylvania |
| 17 | Mabel L Fry | 56 | Wife | — | Arkansas |
| 18 | Robert C Taylor | 58 | Head | Salesman | Nevada |
| 19 | Lucy Taylor | 57 | Wife | — | Wisconsin |
| 20 | William Taylor | 22 | Son | — | California |
| 21 | Evelyn Taylor | 18 | Daughter | — | California |
| 22 | E. H. Taylor | 13 | Daughter | — | California |
| 23 | Lawrence Taylor | 10 | Daughter | — | California |
| 24 | Georgiana Taylor | 10 | Daughter | — | California |
| 25 | Milton C Thomas | 62 | Head | — | California |
| 26 | Viola Thomas | 43 | Wife | — | New York |
| 27 | George F Thomas | 21 | Son | — | New York |
| 28 | Maybelle L Thomas | 17 | Daughter | — | New York |
| 29 | Lillian L Thomas | 16 | Daughter | — | New York |
| 30 | Naomi D Thomas | 11 | Daughter | — | New York |
| 31 | Doris E Thomas THIS PERSON | 9 | Daughter | — | California |
| 32 | Charlotte F Thomas | 5 | Daughter | — | California |
| 33 | Charles Ames | 74 | Father-in-law | — | Maryland |
| 34 | Thomas Hurst | 50 | Head | Conductor | Irish Free State |
| 35 | Margaret E Hurst | 50 | Wife | — | Irish Free State |
| 36 | John Hurst | 23 | Son | Salesman | California |
| 37 | Alice Hurst | 18 | Daughter | — | California |
| 38 | Thomas Hurst | 16 | Son | — | California |
| 39 | Joseph Hurst | 7 | Son | — | California |
| 40 | William H Mathews | 57 | Head | Commercial Trav | Texas |
| 41 | Ada M Mathews | 56 | Wife | — | California |
| 42 | Lawrence C Miller | 60 | Head | Salesman | California |
| 43 | Bernice E Dalton | 50 | Housekeeper | Housekeeper | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)