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Florence Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Florence Thompson across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1907), then head of a 3-person household.
Age 23
b. ~1907
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Thompson |
| Given Name | Florence M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Teacher |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Thompson | Daughter | — | 23 | ~1907 |
| Charles Thompson | Head | — | 55 | ~1875 |
| Gertrude Thompson | Spouse | — | 56 | ~1874 |
Census Appearances
1910
San Francisco, …
Daughter, age 4
San Francisco, California · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 13
San Francisco, California · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 23
San Francisco, California · implied b. ~1907 — 3 household members
| Surname | Thompson |
| Given Name | Florence M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| 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 Florence Thompson across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father Charles Thompson (~0.92 confidence) and father Charles Thompson (~0.92 confidence) and mother Gertrude Thompson (~0.92 confidence) and father Charles Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thompson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Charles Thompson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Gertrude Thompson
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Charles Thompson
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Florence Thompson
Daughter · 1930 · age 23 · b. ~1907 · 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
50 people indexed on this census page (ia:1930:californiacensus00reel201:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lewis E Mayo | 53 | Head | Supt. | Virginia |
| 52 | Maude B Mayo | 50 | Wife | — | England |
| 53 | William H Mayo | 24 | Son | Engineer | Virginia |
| 54 | Martha L Mayo | 21 | Daughter | Secretary | Virginia |
| 55 | Birgel Christopher Mayo | 50 | Roomer | Salesman | Scotland |
| 56 | Patrick Keane | 80 | Head | — | Irish Free State |
| 57 | Ema Keane | 78 | Wife | — | Irish Free State |
| 58 | Florence N Keane | 32 | Daughter | Clerk | California |
| 59 | William J Witte | 40 | Head | Carpenter | California |
| 60 | Alvina Witte | 39 | Wife | — | California |
| 61 | Roland Pratt | 48 | Head | Agent | California |
| 62 | Rose Pratt | 61 | Sister | Cashier | California |
| 63 | Marjorie Pratt | 53 | Sister | Office Mgr. | California |
| 64 | Edna Pratt | 46 | Sister | — | California |
| 65 | Horace W Willmott | 33 | Head | Salesman | California |
| 66 | Mary A Willmott | 31 | Wife | — | California |
| 67 | James R Mcfee | 51 | Head | Civil Engineer | California |
| 68 | Jessie Mcfee | 51 | Wife | — | Northern Ireland |
| 69 | Herbert Harold Mcfee | 14 | Son | — | California |
| 70 | Herbert Harold Mcfee | 14 | Son | Janitor | Maryland |
| 71 | Harold J Lince | 31 | Head | Sales Mgr. | California |
| 72 | Naomi Lince | 30 | Wife | Teacher | California |
| 73 | Jean Lince | 5 | Daughter | — | California |
| 74 | Lois Lince | 4 | Daughter | — | Minnesota |
| 75 | William Lince | 1 | Son | Shipping Clerk | California |
| 76 | Geo H Kohfeld | 25 | Head | Barber | Oklahoma |
| 77 | Amelia Kohfeld | 23 | Wife | — | Russia |
| 78 | Helen L Kohfeld | 5 | Daughter | — | California |
| 79 | Dorothy L Kohfeld | 4 | Daughter | — | California |
| 80 | Betty J Kohfeld | 2 | Daughter | — | California |
| 81 | James Mccullough | 65 | Head | — | Northern Ireland |
| 82 | Margaret H Alexander | 60 | Sister | — | Northern Ireland |
| 83 | Herbert M Gomes | 62 | Head | Tailor | Brazil |
| 84 | Lillian M Gomes | 44 | Wife | — | England |
| 85 | John Skogsmark | 36 | Head | Longshoreman | Norway |
| 86 | Anne Skogsmark | 35 | Wife | — | California |
| 87 | Gustave Lindauer | 50 | Head | Owner | Wisconsin |
| 88 | Clara T Lindauer | 46 | Wife | — | Wisconsin |
| 89 | Gertrude G Lindauer | 20 | Daughter | — | California |
| 90 | Thomas Olson | 60 | Head | Laborer | Sweden |
| 91 | Edna C Olson | 44 | Wife | — | Kansas |
| 92 | Evelyn R Olson | 14 | Daughter | — | California |
| 93 | Pearl Saunders | 19 | Roomer | — | Missouri |
| 94 | Charles L Thompson | 55 | Head | Attorney | California |
| 95 | Gertrude B Thompson | 56 | Wife | — | California |
| 96 | Florence M Thompson THIS PERSON | 23 | Daughter | Teacher | California |
| 97 | Clarence B Curran | 32 | Head | Physician | Iowa |
| 98 | Doris F Curran | 30 | Wife | — | California |
| 99 | Donald B Curran | 1 | Son | — | California |
| 100 | Fred G Parker | 47 | Head | Owner | New York |
Related Census Records
Pedigree Summary
Florence
Gen 1 · 4 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)