DJ
David Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this David Johnson across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Policeman |
| Industry | City police |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 2400 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Policeman |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Johnson | Daughter | — | 10 | ~1930 |
| Glenda Johnson | Daughter | — | 12 | ~1928 |
| Bonnie Johnson | Daughter | — | 9 | ~1931 |
| David Johnson | Head | — | 44 | ~1896 |
| Linnea Johnson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Los Angeles, …
Other, age 24
Los Angeles, California · implied b. ~1896 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Los Angeles, …
Head, age 34
Los Angeles, California · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7,500 |
| Radio Set | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Los-Angeles-County, California
Head, age 44
Los-Angeles-County, California · implied b. ~1896 — 5 household members
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Policeman |
| Industry | City police |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 2400 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 David Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Johnson
Head · 1940 · age 44 · b. ~1896 · 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00410-00468)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marilyn Engel | 14 | Daughter | — | California |
| 2 | Ruth Engel | 9 | Daughter | — | California |
| 3 | Robert Engel | 6 | Son | — | California |
| 4 | James Q. Hodges | 39 | Head | Salesman | Missouri |
| 5 | Christine Hodges | 34 | Wife | — | Missouri |
| 6 | Arthur Froehlich | 35 | Head | Manager | Mexico |
| 7 | Dorothy Froehlich | 34 | Wife | — | Texas |
| 8 | Betty Ann Froehlich | 9 | Daughter | — | Texas |
| 9 | G. Ilene Froehlich | 7 | Daughter | — | California |
| 10 | Manuel Crespo | 46 | Head | Gantry Operator | Spain |
| 11 | Maximina Crespo | 46 | Wife | — | Spain |
| 12 | Josephine Martins | 25 | Niece | Servant | Cuba |
| 13 | Raymond A. Cook | 47 | Head | Credit Manager | Kansas |
| 14 | Katherine Cook | 44 | Wife | — | Iowa |
| 15 | Mary P. Cook | 15 | Daughter | — | California |
| 16 | Melina A. Racicot | 70 | Mother-in-law | Second-Hand Dealer | Iowa |
| 17 | George Adams | 41 | Head | Upholsterer | Indiana |
| 18 | Ann Adams | 39 | Wife | — | Missouri |
| 19 | Norman D. Houston | 52 | Head | Author | Texas |
| 20 | Ana Houston | 40 | Wife | — | Colorado |
| 21 | Merle C. Weimer | 46 | Head | Dispatcher | Pennsylvania |
| 22 | Ethel M. Weimer | 47 | Wife | — | England |
| 23 | Clifford Weimer | 26 | Son | Truck Driver | Pennsylvania |
| 24 | Alice M. Weimer | 17 | Daughter | New Worker | California |
| 25 | Glen Weimer | 14 | Son | — | California |
| 26 | John H. Spahn | 44 | Head | Fireman | Kansas |
| 27 | Gertrude Spahn | 37 | Wife | — | Iowa |
| 28 | Shirley Spahn | 8 | Daughter | — | California |
| 29 | Emma Ely | 38 | Sister | — | Kansas |
| 30 | Eugene Ely | 9 | Nephew | — | Illinois |
| 31 | David Johnson THIS PERSON | 44 | Head | Policeman | Kansas |
| 32 | Linnea Johnson | 43 | Wife | — | Pennsylvania |
| 33 | Glenda Johnson | 12 | Daughter | — | California |
| 34 | Genevieve Johnson | 10 | Daughter | — | California |
| 35 | Bonnie Johnson | 9 | Daughter | — | California |
| 36 | William Barnard | 49 | Head | Landscape Architect | Rhode Island |
| 37 | Louise Barnard | 39 | Wife | Typist-Clerk | New York |
| 38 | Adolph Erickson | 52 | Head | Carpenter | Finland |
| 39 | Olga A. Erickson | 46 | Wife | — | Michigan |
| 40 | Jewell Bourland | 44 | Head | Refinery Operator | Texas |
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)