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Alice Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Alice Thompson across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Albert & S — first a daughter (b.~1909), then head of a 2-person household.
Age 21
b. ~1909
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Thompson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Dept Store |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Saleslady |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Thompson | Daughter | — | 21 | ~1909 |
| Minnie Thompson | Head | — | 51 | ~1879 |
Census Appearances
1910
San Francisco, …
Daughter, age 1
San Francisco, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 10
San Francisco, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Alice C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 21
San Francisco, California · implied b. ~1909 — 2 household members
| Surname | Thompson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Saleslady |
| Industry | Dept Store |
| 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 Alice Thompson across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father Albert Thompson (~0.92 confidence) and father S Thompson (~0.92 confidence) and mother Minnie Thompson (~0.92 confidence) and mother Alice Thompson (~0.92 confidence) and mother Roberta Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Thompson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
S Thompson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Minnie Thompson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Alice Thompson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Roberta Thompson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Thompson
Daughter · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
49 people indexed on this census page (ia:1930:californiacensus00reel202:0572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Ruth C Florence | 30 | Wife | — | Washington |
| 3 | Conrad J Florence | 7 | Son | — | Illinois |
| 4 | William T Dunn | 52 | Head | Agent | Indiana |
| 5 | Mildred S Dunn | 47 | Wife | — | Missouri |
| 6 | William S Dunn | 22 | Son | Clerk | Missouri |
| 7 | Arthur Horton | 45 | Head | Salesman | Maryland |
| 8 | Rose S Horton | 36 | Wife | — | Wisconsin |
| 9 | Dorothy E Horton | 12 | Daughter | — | California |
| 10 | Donald C Kennedy | 50 | Head | — | Hawaii |
| 11 | Alice H Kennedy | 45 | Wife | — | Iowa |
| 12 | Kathleen Kennedy | 16 | Daughter | — | California |
| 13 | Arthur S Gawthorne | 44 | Head | — | California |
| 14 | Robert Jr Gawthorne | 14 | Son | Messenger | California |
| 15 | Robert Gawthorne | 12 | Son | — | California |
| 16 | Bessie King | 44 | Servant | Cook | California |
| 17 | Sidney S Schuyler | 44 | Head | Clerk | Germany |
| 18 | Alice N Schuyler | 37 | Wife | — | California |
| 19 | Marie L Schuyler | 16 | Daughter | — | California |
| 20 | Elizabeth Schuyler | 11 | Daughter | — | California |
| 21 | Alex Fischer | 43 | Head | Gardener | England |
| 22 | Mary Fischer | 39 | Wife | — | England |
| 23 | Thelma Fischer | 14 | Daughter | — | California |
| 24 | Minnie Thompson | 51 | Head | Cook | California |
| 25 | Alice Thompson THIS PERSON | 21 | Daughter | Saleslady | California |
| 26 | Harold Law | 41 | Head | Gardener | England |
| 27 | Phyllis A Law | 38 | Wife | — | California |
| 28 | Harold Margaret Law | 15 | Daughter | — | Great Brit State |
| 29 | Vivienne Law | 10 | Daughter | — | California |
| 30 | Leo J Clayburgh | 56 | Head | Merchant | California |
| 31 | Linda Clayburgh | 40 | Wife | — | California |
| 32 | Leo J Jr Clayburgh | 18 | Son | — | California |
| 33 | Katherine Clayburgh | 14 | Daughter | — | California |
| 34 | Helen Clayburgh | 11 | Daughter | — | California |
| 35 | Anna Seward | 40 | Servant | Maid | Sweden |
| 36 | Bess Hubert | 30 | Servant | Cook | Great Brit State |
| 37 | James W Jr Manson | 32 | Head | Manager | California |
| 38 | Frances R Manson | 31 | Wife | — | California |
| 39 | James W Iii Manson | 6 | Son | — | California |
| 40 | Richard W Manson | 4 | Son | — | California |
| 41 | Irene Cook | 45 | Servant | Servant | California |
| 42 | Alice Gerrard | 22 | Servant | Maid | Great Brit State |
| 43 | Harold V Westbury | 41 | Head | Salesman | California |
| 44 | Maudie S Westbury | 40 | Wife | — | New York |
| 45 | Harold V Jr Westbury | 20 | Son | — | California |
| 46 | Althea H Westbury | 18 | Daughter | — | California |
| 47 | Virginia Westbury | 11 | Daughter | — | California |
| 48 | Ivar Hansen | 31 | Servant | Gardener | Norway |
| 49 | Katherine Stricker | 42 | Servant | — | California |
| 50 | Hans Hansen | 42 | Servant | — | Norway |
Pedigree Summary
Alice
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)