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Joan Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joan | Age | Birth yr |
|---|---|---|---|---|
| Glenn Smith | Head | — | 49 | ~1891 |
| Patricia Smith | Daughter | — | 20 | ~1920 |
| Kevin Smith | Son | — | 16 | ~1924 |
| Shirley Smith | Daughter | — | 18 | ~1922 |
| Genevieve Smith | Spouse | — | 48 | ~1892 |
| Barbara Smith | Daughter | — | 22 | ~1918 |
| Joan Smith | Daughter | — | 14 | ~1926 |
| Glenn Smith | Son | — | 23 | ~1917 |
Census Appearances
1930
Los Angeles, …
Other, age 3
Los Angeles, California · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jean |
| Relationship to Head | Roomer |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 14
Los-Angeles-County, California · implied b. ~1926 — 8 household members
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | H 2 |
| 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 Joan Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Smith
Daughter · 1940 · age 14 · b. ~1926 · California
★ You are viewing this record
Sibling
Kevin Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Smith
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Smith
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00409-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Minier Morse | 63 | Head | Justice | Texas |
| 3 | Jannie E. Morse | 61 | Wife | — | Tennessee |
| 4 | John F. Elders | 87 | Father-in-law | — | Tennessee |
| 5 | Mary Taylor | 24 | Servant | Maid | Missouri |
| 6 | Claude A. Faithfull | 64 | Head | Drawing Teacher | England |
| 7 | Nelson D. Faithfull | 37 | Son | Investigator | California |
| 8 | Neva L. Faithfull | 38 | Daughter-in-law | — | New York |
| 9 | Catherine Quinn | 90 | Head | — | Illinois |
| 10 | Helen E. Mitchell | 54 | Nurse | Nurse | Massachusetts |
| 11 | Marie Smith | 35 | Servant | Maid | Massachusetts |
| 12 | Raleigh Whiston | 72 | Head | — | Ohio |
| 13 | Celia J. Whiston | 68 | Wife | — | W. Virginia |
| 14 | John A. Temple | 43 | Head | Electrical Worker | South Dakota |
| 15 | Ethel A. Temple | 43 | Wife | — | England |
| 16 | Dewey Colling | 45 | Head | Vice Principal | Utah |
| 17 | Katheryn N. Colling | 46 | Wife | Principal | California |
| 18 | Quincette Colling | 21 | Daughter | Elementary Teacher | California |
| 19 | Barbara Williams | 17 | Servant | Maid | Texas |
| 20 | Glenn A. Smith | 49 | Head | Buyer | California |
| 21 | Genevieve F. Smith | 48 | Wife | — | California |
| 22 | Glenn M. Smith | 23 | Son | Salesman | California |
| 23 | Barbara F. Smith | 22 | Daughter | Stenographer | California |
| 24 | Patricia J. Smith | 20 | Daughter | — | California |
| 25 | Shirley Smith | 18 | Daughter | — | California |
| 26 | Kevin Smith | 16 | Son | — | California |
| 27 | Joan Smith THIS PERSON | 14 | Daughter | — | California |
| 28 | Edward Holtzman | 57 | Head | Proprietor | Austria |
| 29 | Fannie Holtzman | 53 | Wife | — | Russia |
| 30 | Howard S. Holtzman | 19 | Son | — | California |
| 31 | David Rheinsant | 24 | Head | Distribution Sales Manager | New York |
| 32 | Bernice Rheinsant | 24 | Wife | Language Teacher | California |
| 33 | Fred C. Schmid | 54 | Head | Contractor | Indiana |
| 34 | Hortense H. Schmid | 52 | Wife | — | Indiana |
| 35 | Fred C. Jr. Schmid | 28 | Son | Assistant Station Manager | Indiana |
| 36 | Betty Lou Schmid | 22 | Daughter | Stenographer | Indiana |
| 37 | Marjorie Anne Schmid | 17 | Daughter | — | California |
| 38 | Harry M. Seeberg | 47 | Head | Manager | Illinois |
| 39 | Ruth C. Seeberg | 45 | Wife | — | Ohio |
| 40 | Henry M. Jr. Seeberg | 15 | Son | — | California |
Related Census Records
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)