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Harold Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Apache-County, Arizona
Our Model Tree links this Harold Davis across the 1920, 1930 and 1940 US Censuses in Apache-County, Arizona (XGBoost, ~Confirmed), with identified parents Alma & Hannah — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Apache-County, Arizona |
| Surname | Davis |
| Given Name | Harold J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | St. Johns |
| 1935 Residence (County) | Apache |
| Additional Details | |
| Occupation | Salesman |
| Industry | Gen. Mdse. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 650 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Salesman |
| Township / Ward | St Johns |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Margaret Davis | Daughter | — | 16 | ~1924 |
| Lavaun Davis | Daughter | — | 9 | ~1931 |
| Anna Davis | Daughter | — | 14 | ~1926 |
| Harold Davis | Head | — | 40 | ~1900 |
| Calvin Davis | Son | — | 6 | ~1934 |
| Dennis Davis | Son | — | 3 | ~1937 |
| John Davis | Son | — | 12 | ~1928 |
| Caroline Davis | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Apache, Arizona
Son, age 20
Apache, Arizona · implied b. ~1900 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Apache, Arizona
Head, age 30
Apache, Arizona · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 22 |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Utah |
| Occupation | salesman |
| Industry | washing machines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1800 |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Apache-County, Arizona
Head, age 40
Apache-County, Arizona · implied b. ~1900 — 8 household members
| Surname | Davis |
| Given Name | Harold J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | St. Johns |
| 1935 Residence (County) | Apache |
| Occupation | Salesman |
| Industry | Gen. Mdse. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 650 |
| Highest Grade | H 2 |
| 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 Harold Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alma Davis (~0.92 confidence) and mother Hannah Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alma Davis
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Hannah Davis
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Davis
Head · 1940 · age 40 · b. ~1900 · 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 — Apache-County, Arizona
Open full size
1940 US Federal Census — Apache-County, Arizona
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00099-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fernith Isaacson | 20 | daughter | Waitress | Arizona |
| 2 | C. Leonard Isaacson | 17 | son | — | Arizona |
| 3 | Golden Farr | 40 | Head | Truck Driver | Arizona |
| 4 | Josephine Farr | 37 | Wife | — | Arizona |
| 5 | Norma Farr | 18 | daughter | — | Arizona |
| 6 | Yvonna Farr | 15 | daughter | — | Arizona |
| 7 | B. Ronald Farr | 12 | son | — | Arizona |
| 8 | Mary J. Farr | 10 | daughter | — | Arizona |
| 9 | Delpha Farr | 5 | daughter | — | Arizona |
| 10 | Erin A. Farr | 1 | daughter | — | Arizona |
| 11 | Cyrus L. Mangum | 28 | Head | Truck Driver | New Mexico |
| 12 | Ethel R. Mangum | 26 | Wife | — | Arizona |
| 13 | Joan Mangum | 5 | daughter | — | Arizona |
| 14 | Duane Mangum | 1 | son | — | Arizona |
| 15 | Harold J. Davis THIS PERSON | 40 | Head | Salesman | Arizona |
| 16 | Caroline Davis | 37 | Wife | — | Arizona |
| 17 | Margaret Davis | 16 | daughter | — | Arizona |
| 18 | Anna Fay Davis | 14 | daughter | — | Arizona |
| 19 | John M. Davis | 12 | son | — | Arizona |
| 20 | Lavaun Davis | 9 | daughter | — | Arizona |
| 21 | Calvin E. Davis | 6 | son | — | Arizona |
| 22 | Dennis A.V. Davis | 3 | son | — | Arizona |
| 23 | E. Winslow Huret | Hurst | 34 | Head | Carpenter | Mexico |
| 24 | Hester Huret | Hurst | 30 | Wife | — | Arizona |
| 25 | Janice Huret | Hurst | 6 | daughter | — | Arizona |
| 26 | Marie Huret | Hurst | 4 | daughter | — | Arizona |
| 27 | Elaine Huret | Hurst | 2 | daughter | — | Arizona |
| 28 | Julia O. Johnson | 78 | Head | — | Utah |
| 29 | Harold B. Green | 35 | Head | School Teacher | Arizona |
| 30 | Mildred Green | 32 | Wife | — | Arizona |
| 31 | Colleen Green | 10 | daughter | — | Arizona |
| 32 | Harold E. Green | 7 | son | — | Arizona |
| 33 | Nello Green | 38 | Head | Plumber | Arizona |
| 34 | Gladys S. Green | 37 | Wife | — | Arizona |
| 35 | Nello J. Green | 18 | son | Plumber Helper | Arizona |
| 36 | Richard E. Green | 12 | son | — | California |
| 37 | Elaine Green | 11 | daughter | — | California |
| 38 | Harvey S. Green | 7 | son | — | California |
| 39 | Margaret R. Green | 5 | daughter | — | Arizona |
Pedigree Summary
Harold
Gen 1 · 2 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)