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Dorothy Foster — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Diego, California
Our Model Tree links this Dorothy Foster across the 1920 and 1930 US Censuses in San Diego, California (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 12-person household.
Age 18
b. ~1912
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Diego, California |
| Surname | Foster |
| Given Name | Dorothy T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | El Cajon Township Pt |
| Est. Birth Year | ~1912 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Robert Foster | Son | — | 1 | ~1929 |
| Robert Foster | Son | — | ~1930 | |
| Dorothy Foster | Daughter | — | 18 | ~1912 |
| Arthur Foster | Son | — | 19 | ~1911 |
| Clarence Foster | Head | — | 43 | ~1887 |
| Cecil Foster | Son | — | 15 | ~1915 |
| Leroy Foster | Son | — | 5 | ~1925 |
| Hazel Foster | Daughter | — | 16 | ~1914 |
| Ellis Foster | Other | — | 40 | ~1890 |
| William Foster | Son | — | 4 | ~1926 |
| Charles Foster | Son | — | 11 | ~1919 |
| Donald Foster | Son | — | 9 | ~1921 |
Census Appearances
1920
San Diego, …
Daughter, age 7
San Diego, California · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Daughter, age 18
San Diego, California · implied b. ~1912 — 12 household members
| Surname | Foster |
| Given Name | Dorothy T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Dorothy Foster across 2 US Census years (1920 and 1930) in San Diego, California, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Foster
Daughter · 1930 · age 18 · b. ~1912 · California
★ You are viewing this record
Sibling
Robert Foster
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Foster
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Foster
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Foster
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Foster
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Foster
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Foster
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Foster
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Foster
Sibling · 1930 · age 5
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 — San Diego, California
Open full size
1930 US Federal Census — San Diego, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel190:0075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick H. Clarke | 67 | Head | Communications | New Jersey |
| 2 | Jennie E. Clarke | 67 | Wife-H | Farmer | New York |
| 3 | Lewis D. Harvey | 45 | Head | Laborer | Missouri |
| 4 | Florence M. Harvey | 38 | Wife-H | None | Wisconsin |
| 5 | Jeanette L. Harvey | 20 | Step-daughter | None | Iowa |
| 6 | Aldo Moretti | 22 | Head | Farmer | Switzerland |
| 7 | Olimpia Moretti | 49 | Mother-H | None | Switzerland |
| 8 | Diego Moretti | 17 | Brother | Milker | Switzerland |
| 9 | Ernest Moretti | 45 | Cousin | None | California |
| 10 | Alonzo Wood | 17 | Boarder | Laborer | California |
| 11 | Louis F. Melville | 46 | Head | Dairyman | Indiana |
| 12 | Bernice Melville | 33 | Wife-H | None | Nebraska |
| 13 | Valois C. Melville | 25 | Son | Electrician | California |
| 14 | Norma A. Melville | 18 | Daughter | None | California |
| 15 | Rex E. Melville | 14 | Son | None | California |
| 16 | Leonard J. Melville | 7 | Son | None | California |
| 17 | Ronald J. Van Antwerp | 3 | Grand-son | None | California |
| 18 | German F. Dumas | 19 | Head | Laborer | California |
| 19 | Doris J. Dumas | 20 | Wife-H | None | California |
| 20 | Evelyn J. Dumas | 2 | Daughter | None | California |
| 21 | Floyd E. Dumas | 1 | Son | None | California |
| 22 | John Albin Johnson | 58 | Head | Farmer | Sweden |
| 23 | Justina Johnson | 50 | Wife-H | None | Sweden |
| 24 | William G. Koppel | 44 | Head | Electrical Engin. | Pennsylvania |
| 25 | Lillian L. Koppel | 46 | Wife-H | None | Honolulu, T.H. |
| 26 | William E. Koppel | 12 | Daughter | None | California |
| 27 | William T. Koppel | 9 | Son | None | California |
| 28 | Clarence R. Foster | 43 | Head | Dairyman | Colorado |
| 29 | Ellis M. Foster | 40 | Wife-H | None | Texas |
| 30 | Arthur L. Foster | 19 | Son | None | California |
| 31 | Dorothy T. Foster THIS PERSON | 18 | Daughter | None | California |
| 32 | Hazel E. Foster | 16 | Daughter | None | California |
| 33 | Cecil G. Foster | 15 | Son | None | California |
| 34 | Charles L. Foster | 11 | Son | None | California |
| 35 | Donald D. Foster | 9 | Son | None | California |
| 36 | Leroy S. Foster | 5 | Son | None | California |
| 37 | William R. Foster | 4 | Son | None | California |
| 38 | Robert H. Foster | 1 | Son | None | California |
| 39 | Robert B. Foster | 0 | Son | None | California |
| 40 | Hattie C. Foster | 72 | Head | None | England |
| 41 | Charles E. Bogue | 35 | Head | Laborer | Iowa |
| 42 | Olive I. Bogue | 31 | Wife-H | None | Colorado |
| 43 | Harry L. Bogue | 11 | Son | Milker | California |
| 44 | Willard Bogue | 14 | Son | Milker | California |
| 45 | Mildred Bogue | 9 | Daughter | None | California |
| 46 | John W. Jr. Miner | 33 | Head | Dairyman | Illinois |
| 47 | Hazel P. Miner | 42 | Wife-H | None | New York |
| 48 | James W. Miner | 17 | Son | None | Illinois |
| 49 | Florence M. Miner | 13 | Daughter | None | California |
| 50 | William T. Miner | 10 | Son | None | California |
Related Census Records
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)