AS
Agnes Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Agnes Smith across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Female
Spouse
Born: CALIFORNIA
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | SMITH |
| Given Name | AGNES H |
| Relationship to Head | WIFE |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | CALIFORNIA |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1886 |
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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Harry Smith | Head | — | 56 | ~1884 |
| Robert Smith | Son | — | 23 | ~1917 |
| Agnes Smith | Spouse | — | 54 | ~1886 |
Census Appearances
1920
San Francisco, …
Spouse, age 33
San Francisco, California · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Agnes |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Sweden |
| Occupation | (none) |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Other, age 44
San Francisco, California · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Agnes H |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 54
San-Francisco-County, California · implied b. ~1886 — 3 household members
| Surname | SMITH |
| Given Name | AGNES H |
| Relationship to Head | WIFE |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | CALIFORNIA |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | H-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 Agnes Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Agnes Smith
Spouse · 1940 · age 54 · b. ~1886 · 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
6 people indexed on this census page (nara:1940:m-t0627-00309-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry A Smith | 56 | Head | Sailmaker | CALIFORNIA |
| 2 | Agnes H Smith THIS PERSON | 54 | WIFE | — | CALIFORNIA |
| 3 | Robert H Smith | 23 | Son | Office Clerk | CALIFORNIA |
| 4 | Gertrude Jordan | 81 | HEAD | — | INDIANA |
| 5 | John James Carey | 28 | Son | Marine Merchant | California |
| 6 | James Harold Sheehy | 39 | Son | Sailor | California |
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)