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Jane Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Jane Johnson across the 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Johnson |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Escondido City |
| Est. Birth Year | ~1928 |
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 Jane | Age | Birth yr |
|---|---|---|---|---|
| Erna Johnson | Daughter | — | 15 | ~1925 |
| Eleanor Johnson | Daughter | — | 13 | ~1927 |
| Evelyn Johnson | Daughter | — | 10 | ~1930 |
| Jane Johnson | Daughter | — | 12 | ~1928 |
| James Johnson | Son | — | 9 | ~1931 |
| Hannah Johnson | Spouse | — | 35 | ~1905 |
Census Appearances
1930
San Diego, …
Daughter, age 1
San Diego, California · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Daughter, age 12
San-Diego-County, California · implied b. ~1928 — 6 household members
| Surname | Johnson |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego |
| Highest Grade | No 5 |
| 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 Jane Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jane Johnson
Daughter · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Erna Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Johnson
Sibling · 1940 · age 10
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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00295-00742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hannah Johnson | 35 | Wife | Fruit Picker | New Jersey |
| 2 | Erna Johnson | 15 | Daughter | — | Nevada |
| 3 | Eleanor Johnson | 13 | Daughter | — | Nevada |
| 4 | Jane Johnson THIS PERSON | 12 | Daughter | — | California |
| 5 | Evelyn Johnson | 10 | Daughter | — | California |
| 6 | James Johnson | 9 | Son | — | California |
| 7 | Uranio Galindo | 39 | Head | Fruit Picker | Texas |
| 8 | Eulogia R. Galindo | 39 | Wife | Fruit Picker | Mexico |
| 9 | Uranio Galindo | 19 | Son | New Worker | Texas |
| 10 | Adon Galindo | 18 | Son | Base Ball | Texas |
| 11 | Pedro Galindo | 16 | Son | New Worker | Texas |
| 12 | Merle Sawyere | 41 | Head | Hod Carrier | South Dakota |
| 13 | Nina Sawyere | 39 | Wife | — | Iowa |
| 14 | Agatha Sawyere | 16 | Daughter | — | Iowa |
| 15 | Merle Merle Sawyere | 15 | Son | — | South Dakota |
| 16 | Robert Osmann | 35 | Head | Carpenter | South Dakota |
| 17 | Eva Osmann | 34 | Wife | Fruit Grader | Oklahoma |
| 18 | Robert B. Osmann | 14 | Son | — | South Dakota |
| 19 | Norma J. Osmann | 12 | Daughter | — | South Dakota |
| 20 | James V. Simon | 74 | Head | — | Texas |
| 21 | Susan E. Simon | 67 | Wife | — | Tennessee |
| 22 | Alta Smith | 30 | Daughter | Fruit Picker | Oklahoma |
| 23 | Ollie B. Smith | 34 | Son-in-law | Laborer | New Mexico |
| 24 | Leo Reyes | 50 | Head | Laborer | California |
| 25 | Mary Reyes | 54 | Wife | — | Mexico |
| 26 | Gus Reyes | 19 | Son | Fruit Picker | California |
| 27 | Sallie Reyes | 19 | Daughter | Fruit Picker | California |
| 28 | Joe Reyes | 16 | Son | — | California |
| 29 | Leo Jr. Reyes | 11 | Son | — | California |
| 30 | Alice Reyes | 14 | Daughter | — | California |
| 31 | Martha Hammer | 44 | Head | — | Texas |
| 32 | Frank Betancourt | 33 | Head | Fruit Picker | Texas |
| 33 | Jennie Betancourt | 23 | Wife | Fruit Grader | California |
| 34 | Maryann Betancourt | 1 | Daughter | — | California |
| 35 | David Carnahan | 45 | Head | Painter Welder | Kansas |
| 36 | Ida Carnahan | 44 | Wife | — | California |
| 37 | Oliver Clark | 23 | Head | Salesman | Iowa |
| 38 | Helen Clark | 21 | Wife | — | California |
| 39 | Carol Ann Clark | 0 | Daughter | — | California |
| 40 | Marvin J. Westermound | 49 | Head | Salesman | 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)