FS
Florence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Florence Smith across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents James & Harry — first a daughter (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Smith |
| Given Name | Florence A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Smith | Daughter | — | 31 | ~1909 |
| Harry Smith | Head | — | 58 | ~1882 |
| Mary Smith | Spouse | — | 56 | ~1884 |
Census Appearances
1920
San Francisco, …
Daughter, age 9
San Francisco, California · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Florence E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 20
San Francisco, California · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Florence E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 31
San-Francisco-County, California · implied b. ~1909 — 3 household members
| Surname | Smith |
| Given Name | Florence A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Income (1939) | 0 |
| Highest Grade | C 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 Florence Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father Harry Smith (~0.92 confidence) and mother Florence Smith (~0.92 confidence) and mother Florence Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Harry Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Florence Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Florence Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Smith
Daughter · 1940 · age 31 · 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
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00312-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Lena M. Sullivan | 63 | Head | — | California |
| 3 | Harry Weiss | 49 | Head | Sales Manager | New York |
| 4 | Fannie G. Weiss | 43 | Wife | — | Illinois |
| 5 | Lillian E. Weiss | 17 | Daughter | — | California |
| 6 | William E. Weiss | 15 | Son | — | California |
| 7 | Mary V. B. Heintz | 64 | Head | — | California |
| 8 | Catherine B. Heintz | 39 | Daughter | Stenographer | California |
| 9 | Georgia A. Heintz | 32 | Daughter | Trained Nurse | California |
| 10 | Stuart F. Leete | 35 | Head | Journalism | California |
| 11 | Gertrude H. Leete | 40 | Wife | Nursing | California |
| 12 | C. Ito | 51 | Servant | Housework | Japan |
| 13 | Ray A. Hanks | 31 | Head | Driver | Oregon |
| 14 | Nola C. Hanks | 27 | Wife | — | Oklahoma |
| 15 | Elton F. Fay | 70 | Owner | Machinist | New York |
| 16 | Herman Schmidt | 35 | Head | Manager | Germany |
| 17 | Frances Schmidt | 32 | Wife | — | California |
| 18 | Robert A. Schmidt | 3 | Son | — | California |
| 19 | Marie Essel | 53 | Mother in law | — | Germany |
| 20 | Walter F. Price | 62 | Head | Accountant | Nova Scotia |
| 21 | Julia G. Price | 55 | Wife | — | North Carolina |
| 22 | Anna E. Sweet | 63 | Head | Medical Doctor | Canada-Eng |
| 23 | Florence E. Harmon | 49 | Maid | Housekeeper | Minnesota |
| 24 | Harry J. Smith | 58 | Head | Construction Engineer | California |
| 25 | Mary V. Smith | 56 | Wife | — | California |
| 26 | Florence A. Smith THIS PERSON | 31 | Daughter | — | California |
| 28 | Sherman M. Darbee | 75 | Head | Vault Clerk | New York |
| 29 | Anna C. Darbee | 70 | Wife | — | Denmark |
| 30 | Allan E. Darbee | 44 | Son | Assistant Cashier | California |
| 31 | John O. Hanson | 58 | Head | Consulting Engineer | Illinois |
| 32 | Esther E. Hanson | 56 | Wife | — | Sweden |
| 33 | Elmer L. Sparrowe | 48 | Head | Pattern Maker | California |
| 34 | Amelia J. Sparrowe | 46 | Wife | — | California |
| 35 | Donald J. Sparrowe | 15 | Son | — | California |
| 36 | Shirley E. Sparrowe | 11 | Daughter | — | California |
| 37 | Randolph J. Baugh | 74 | Head | Carpenter | Virginia |
| 38 | Ethel Baugh | 57 | Wife | — | England |
| 39 | Keith Baugh | 21 | Son | Shipping Clerk | California |
| 40 | Clatus F. Geppert | 53 | Head | Watch Maker | California |
Pedigree Summary
Florence
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 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)