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Bonnie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Joaquin-County, California
Our Model Tree links this Bonnie Smith across the 1930 and 1940 US Censuses in San-Joaquin-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Female
Spouse
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Joaquin-County, California |
| Surname | Smith |
| Given Name | Bonnie B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Stockton |
| 1935 Residence (County) | San Joaquin |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Stockton |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bonnie | Age | Birth yr |
|---|---|---|---|---|
| Blanche Smith | Daughter | — | 15 | ~1925 |
| Dorothy Smith | Daughter | — | 4 | ~1936 |
| Harry Smith | Head | — | 40 | ~1900 |
| Clifton Smith | Son | — | 12 | ~1928 |
| Phyllis Smith | Daughter | — | 9 | ~1931 |
| Bonnie Smith | Spouse | — | 35 | ~1905 |
Census Appearances
1930
San Joaquin, …
Other, age 25
San Joaquin, California · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Bonnie B. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 22 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
San-Joaquin-County, California
Spouse, age 35
San-Joaquin-County, California · implied b. ~1905 — 6 household members
| Surname | Smith |
| Given Name | Bonnie B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Stockton |
| 1935 Residence (County) | San Joaquin |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Bonnie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bonnie Smith
Spouse · 1940 · age 35 · b. ~1905 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Joaquin-County, California
Open full size
1940 US Federal Census — San-Joaquin-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00325-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sophia M Ubdall | 52 | Wife | — | Denmark |
| 2 | Robert H Ubdall | 25 | Son | Salesman | California |
| 3 | Lorraine M Ubdall | 20 | Daughter | Stenographer | California |
| 4 | Lauren N Ubdall | 15 | Son | — | California |
| 5 | Carl A Ubdall | 13 | Son | — | California |
| 6 | Warren J Kennard | 31 | Head | Truck Driver | California |
| 7 | Frances Q Kennard | 32 | Wife | — | California |
| 8 | Donna G Kennard | 7 | Daughter | — | California |
| 9 | Warren C Kennard | 4 | Son | — | California |
| 10 | Harry C Smith | 40 | Head | Mechanic | New York |
| 11 | Bonnie B Smith THIS PERSON | 35 | Wife | — | Oregon |
| 12 | Blanche Smith | 15 | Daughter | — | California |
| 13 | Clifton R Smith | 12 | Son | — | California |
| 14 | Phyllis L Smith | 9 | Daughter | — | California |
| 15 | Dorothy N Smith | 4 | Daughter | — | California |
| 16 | Ira L Brown | 36 | Head | Laborer | California |
| 17 | Ethel A Brown | 41 | Wife | — | New Mexico |
| 18 | Elden C Brown | 13 | Son | — | California |
| 19 | Aurelio Munoz | 47 | Head | Engineer | Arizona |
| 20 | Clementine V Munoz | 45 | Wife | — | Jamaica |
| 21 | Andrew Munoz | 19 | Son | Attendant | California |
| 22 | Raymond Munoz | 18 | Son | New Worker | California |
| 23 | Manuel A Munoz | 16 | Son | Carrier Boy | California |
| 24 | Eliseo Munoz | 50 | Head | Laborer | Mexico |
| 25 | Antonia Munoz | 40 | Wife | — | Mexico |
| 26 | Frank Munoz | 23 | Son | Boxmaker | Texas |
| 27 | Elois Munoz | 22 | Son | Laborer | California |
| 28 | Angela Munoz | 20 | Daughter | — | California |
| 29 | Robert Munoz | 18 | Son | — | California |
| 30 | Ignacio Munoz | 16 | Son | — | California |
| 31 | Otilia Munoz | 15 | Daughter | — | California |
| 32 | Antonio Munoz | 13 | Son | — | California |
| 33 | Carmen Munoz | 5 | Daughter | — | California |
| 34 | Edward A Jones | 37 | Head | Machinist | South Carolina |
| 35 | Mary D Jones | 30 | Wife | Forelady | California |
| 36 | Edward L Jones | 8 | Son | — | California |
| 37 | Archie Martinez | 31 | Head | Laborer | California |
| 38 | Eleanor Martinez | 25 | Wife | — | California |
| 39 | Mary L Martinez | 9 | Daughter | — | 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)