RD
Richard Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Richard Davis across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents Haller & Walter — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Davis |
| Given Name | Richard E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Owner manager |
| Industry | Used car lot |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 1440 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Owner Manager |
| Township / Ward | Phoenix City |
| Est. Birth Year | ~1917 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Karen Davis | Daughter | — | 2 | ~1938 |
| Richard Davis | Head | — | 23 | ~1917 |
| Kimball Davis | Son | — | 1 | ~1939 |
| Bette Davis | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Maricopa, Arizona
Son, age 3
Maricopa, Arizona · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Missouri |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Son, age 13
Maricopa, Arizona · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Richard C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 23
Maricopa-County, Arizona · implied b. ~1917 — 4 household members
| Surname | Davis |
| Given Name | Richard E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Occupation | Owner manager |
| Industry | Used car lot |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 1440 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Richard Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Haller Davis (~0.92 confidence) and father Walter Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Haller Davis
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Walter Davis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Davis
Head · 1940 · age 23 · b. ~1917 · Arizona
★ 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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00104-00486)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin Ripley Jr Pryor | 28 | Head | Linotype Operator | Texas |
| 2 | Marguerite Pryor | 36 | Wife | Associate Editor | Louisiana |
| 3 | Mary Ellen Pryor | 6 | Daughter | — | Arizona |
| 4 | Edwin Ripley Iii Pryor | 4 | Son | — | Arizona |
| 5 | Nancy Lee Pryor | 3 | Daughter | — | Arizona |
| 6 | Eddie B Pryor | 47 | Mother | — | Tennessee |
| 7 | Henry Hurst | 29 | Head | Bindery Work | Mexico |
| 8 | Irene Hurst | 22 | Wife | Junior Observer | Utah |
| 9 | Henry Wayne Hurst | 2 | Son | — | Colorado |
| 10 | Gary Dean Hurst | 1 | Son | — | Utah |
| 11 | Oral Dale Ross | 38 | Head | Truck Driver | Missouri |
| 12 | Ionephine | Josephine Ross | 28 | Wife | — | Missouri |
| 13 | R. Stellman Snow | 44 | Head | Salesman | Texas |
| 14 | Myllie Snow | 31 | Wife | — | Kentucky |
| 15 | Myllie Jeanine Snow | 10 | Daughter | — | Texas |
| 16 | Pearl Frazier | 51 | Mother-in-law | — | Kentucky |
| 17 | Richard E. Davis THIS PERSON | 23 | Head | Owner Manager | Arizona |
| 18 | Bette Davis | 21 | Wife | — | Kansas |
| 19 | Karen Davis | 2 | Daughter | — | Arizona |
| 20 | Kimball Davis | 1 | Son | — | Arizona |
| 21 | Claude Edwin Burk | 27 | Head | Patrolman | Iowa |
| 22 | Margaret M Burk | 23 | Wife | — | Arizona |
| 23 | John Taylor Burk | 3 | Son | — | Arizona |
| 24 | Kenneth Claude Burk | 1 | Son | — | Arizona |
| 25 | Charles Ruffeline | 34 | Head | Brewery Cellarman | Arizona |
| 26 | Margaret Ruffeline | 32 | Wife | Bookkeeper | Kansas |
| 27 | Janet Lorraine Fisher | 5 | Daughter | — | Arizona |
| 28 | Bruce Walter Hogan | 24 | Head | Architectural Draftsman | Utah |
| 29 | Cleo M. Hogan | 22 | Wife | Secretary | Arizona |
| 30 | Aula Stafford | 19 | Lodger | Office Clerk | Arizona |
| 31 | Cyril O. Wilson | 38 | Head | Civil Engineer | Arkansas |
| 32 | Ada Lee Wilson | 34 | Wife | Office Clerk | Arkansas |
| 33 | Billy Lee Wilson | 15 | Son | — | Arkansas |
| 34 | Gordon Otis Wilson | 8 | Son | — | Arizona |
| 35 | James Lawrence Wilson | 5 | Son | — | Missouri |
| 36 | Bertha Wilson | 64 | Mother | — | Georgia |
| 37 | Lula Gertrude Wilson | 55 | Sister-in-law | Practical Nurse | Arkansas |
| 38 | Ivan David Jr Wilson | 17 | Nephew | — | California |
| 39 | Claude R. Brashears | 39 | Head | Civil Engineer | Missouri |
| 40 | Kathryn Brashears | 31 | Wife | — | Arizona |
Pedigree Summary
Richard
Gen 1 · 4 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)