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Joseph Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kern-County, California
Our Model Tree links this Joseph Johnston across the 1930 and 1940 US Censuses in Kern-County, California (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kern-County, California |
| Surname | Johnston |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Kern |
| 1935 Residence (County) | Kern |
| Additional Details | |
| Hours Worked | 56 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| John Johnston | Son | — | 10 | ~1930 |
| Emma Johnston | Daughter | — | 20 | ~1920 |
| Ben Johnston | Son | — | 15 | ~1925 |
| Margaret Johnston | Daughter | — | 25 | ~1915 |
| Nellie Johnston | Spouse | — | 54 | ~1886 |
| Charles Johnston | Son | — | 21 | ~1919 |
| Joseph Johnston | Son | — | 24 | ~1916 |
Census Appearances
1930
Kern, California
Son, age 14
Kern, California · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Joseph L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Kern-County, California
Son, age 24
Kern-County, California · implied b. ~1916 — 7 household members
| Surname | Johnston |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Kern |
| 1935 Residence (County) | Kern |
| Hours Worked | 56 |
| Highest Grade | C-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 Joseph Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Johnston
Son · 1940 · age 24 · b. ~1916 · California
★ You are viewing this record
Sibling
John Johnston
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Johnston
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ben Johnston
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnston
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnston
Sibling · 1940 · age 21
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 — Kern-County, California
Open full size
1940 US Federal Census — Kern-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00214-00346)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nellie Johnston | 54 | Wife | — | Ireland |
| 42 | Margaret Johnston | 25 | Daughter | Teacher | California |
| 43 | Charles Johnston | 21 | Son | — | California |
| 44 | Emma Johnston | 20 | Daughter | — | California |
| 45 | Ben Johnston | 15 | Son | — | California |
| 46 | John Johnston | 10 | Son | — | California |
| 47 | Joseph Johnston THIS PERSON | 24 | Son | — | California |
| 48 | Arthur Willard | 61 | Head | Production Foreman | Pennsylvania |
| 49 | Effie Willard | 47 | Wife | — | Missouri |
| 50 | John Willard | 23 | Son | — | California |
| 51 | King G. Watson | 44 | Head | Pumper | Arkansas |
| 52 | Edith Watson | 41 | Wife | — | Washington |
| 53 | Marjorie Watson | 16 | Daughter | — | California |
| 54 | Keith Watson | 13 | Son | — | California |
| 55 | Theodore Watson | 11 | Son | — | California |
| 56 | Earl Crawford | 36 | Head | Lease Foreman | California |
| 57 | Beth Crawford | 31 | Wife | — | Kansas |
| 58 | John Crawford | 4 | Son | — | California |
| 59 | Lorna Crawford | 1 | Daughter | — | California |
| 60 | Arbra Wilson | 42 | Head | Shooter | Missouri |
| 61 | Edna Wilson | 40 | Wife | — | Arkansas |
| 62 | Beatrice Wilson | 19 | Daughter | — | Arkansas |
| 63 | Imogene Wilson | 4 | Daughter | — | Arkansas |
| 64 | James Gibson | 45 | Head | Road Laborer | Missouri |
| 65 | Bertha Gibson | 40 | Wife | — | Missouri |
| 66 | George Gibson | 17 | Son | Newswalker | Missouri |
| 67 | Marie Gibson | 20 | Daughter | — | Louisiana |
| 68 | Norma Gibson | 11 | Daughter | — | California |
| 69 | Alice Gibson | 10 | Daughter | — | California |
| 70 | Ellen Gibson | 8 | Daughter | — | California |
| 71 | Bernice Gibson | 7 | Daughter | — | California |
| 72 | Lawrence Vallas | 30 | Head | Watchman | Missouri |
| 73 | Jennie Vallas | 25 | Wife | — | Indiana |
| 74 | Floyd A. Nelson | 31 | Head | Lease Foreman | California |
| 75 | Erma Nelson | 33 | Wife | — | California |
| 76 | Charles H. Bradley | 59 | Head | Pumper | Iowa |
| 77 | Martha Bradley | 57 | Wife | — | Utah |
| 78 | Jewel L. Bradley | 17 | 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)