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Harold Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Harold Davis across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Harry & Edith — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Davis |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Aircraft Inst |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Mechanic |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Edith Davis | Head | — | 44 | ~1896 |
| Howard Davis | Son | — | 8 | ~1932 |
| Harold Davis | Son | — | 22 | ~1918 |
| Rodney Davis | Son | — | 4 | ~1936 |
Census Appearances
1920
Los Angeles, …
Other, age 2
Los Angeles, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry O. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Son, age 12
Los Angeles, California · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry D. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 22
Los-Angeles-County, California · implied b. ~1918 — 4 household members
| Surname | Davis |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Mechanic |
| Industry | Aircraft Inst |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 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 Harold Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Davis (~0.92 confidence) and mother Edith Davis (~0.92 confidence) and mother Nell Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Davis
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Edith Davis
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Nell Davis
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Davis
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Howard Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rodney Davis
Sibling · 1940 · age 4
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
40 people indexed on this census page (nara:1940:m-t0627-00427-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Russell E. Noden | 37 | Lodger | Painter | Ohio |
| 42 | Ralph C. Hapgood | 28 | Head | Cook | Kansas |
| 43 | Thelma M. Hart | 47 | Mother | Waitress | Kansas |
| 44 | John J. P. Disney | 40 | Head | Elevator Operator | Irish Free State |
| 45 | Helene Disney | 32 | Wife | — | Hungary |
| 46 | Geraldine J. Disney | 7 | Daughter | — | California |
| 47 | John Jones | 63 | Head | — | Michigan |
| 48 | Amanda Jones | 65 | Wife | — | Michigan |
| 49 | Vasil Natalia | 65 | Head | Laborer | Czecho-Slovakia |
| 50 | Margaret A. Natalia | 56 | Wife | — | Czecho-Slovakia |
| 51 | Charles J. Venetto | 51 | Head | Laborer | Texas |
| 52 | Ida M. Venetto | 50 | Wife | — | Missouri |
| 53 | Howard M. Venetto | 18 | Son | — | Oklahoma |
| 54 | Charles J. (Jr) Venetto | 17 | Son | — | Texas |
| 55 | Lorraine M. Venetto | 8 | Daughter | — | California |
| 56 | Lois L. Venetto | 5 | Daughter | — | California |
| 57 | William C. Beck | 66 | Head | Laborer | Missouri |
| 58 | Matilda A. Beck | 44 | Wife | — | Pennsylvania |
| 59 | Newman P. Murphy | 22 | Head | Bumper | Arkansas |
| 60 | Bernice M. Murphy | 19 | Wife | — | Minnesota |
| 61 | Donald B. Cheever | 29 | Head | Veneer Man | Massachusetts |
| 62 | Winifred T. Cheever | 33 | Wife | — | Iowa |
| 63 | Carrol E. Cheever | 3 | Son | — | California |
| 64 | Ely Miller | 37 | Lodger | Oiler | Minnesota |
| 65 | Dorothy J. Miller | 31 | Lodger Wife | — | Iowa |
| 66 | Benedetto Azzarello | 53 | Head | — | Italy |
| 67 | Bessie Azzarello | 23 | Wife | Laborer | Michigan |
| 68 | John Azzarello | 17 | Son | — | Michigan |
| 69 | Charles Azzarello | 18 | Son | — | Michigan |
| 70 | Anna T. Azzarello | 14 | Daughter | — | Michigan |
| 71 | Josephine Azzarello | 13 | Daughter | — | Michigan |
| 72 | Samuel (Jr) Azzarello | 10 | Son | — | Michigan |
| 73 | Naoma C. Azzarello | 25 | Daughter | — | Michigan |
| 74 | Tena A. Azzarello | 21 | Daughter | — | Michigan |
| 75 | Edith G. Davis | 44 | Head | Housekeeper | Pennsylvania |
| 76 | Harold E. Davis THIS PERSON | 22 | Son | Mechanic | California |
| 77 | Howard R. Davis | 8 | Son | — | California |
| 78 | Rodney J. Davis | 4 | Son | — | California |
| 79 | Lawrence S. Wood | 29 | Head | Salesman | Oklahoma |
| 80 | Gladys J. Wood | 27 | Wife | — | California |
Related Census Records
Pedigree Summary
Harold + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)