WP
William Phelps — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this William Phelps across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.
Age 64
b. ~1876
Male
Head
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Phelps |
| Given Name | William C. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Supervisors Dist 1 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Farm Operator |
| Industry | Alfalfa farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Farm Operator |
| Township / Ward | Supervisors Dist 1 |
| Est. Birth Year | ~1876 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Clyde Phelps | Son | — | 37 | ~1903 |
| Minnie Phelps | Spouse | — | 60 | ~1880 |
| William Phelps | Head | — | 64 | ~1876 |
Census Appearances
1920
Maricopa, Arizona
Head, age 43
Maricopa, Arizona · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Maricopa, Arizona
Head, age 54
Maricopa, Arizona · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | William O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 26 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Maricopa-County, Arizona
Head, age 64
Maricopa-County, Arizona · implied b. ~1876 — 3 household members
| Surname | Phelps |
| Given Name | William C. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Supervisors Dist 1 |
| 1935 Residence (County) | Maricopa |
| Occupation | Farm Operator |
| Industry | Alfalfa farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 William Phelps across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Phelps
Head · 1940 · age 64 · b. ~1876 · 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-t0627-00106-00384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margie Langford | 18 | daughter | — | Texas |
| 42 | Douglas Langford | 7 | son | — | Texas |
| 43 | Bobby Lois Langford | 5 | daughter | — | Texas |
| 44 | Carolyn Langford | 1 | daughter | — | Arizona |
| 45 | J. V. Langford | 23 | son | Attending Nya School | Texas |
| 46 | James T. Brooks | 53 | head | — | Oklahoma |
| 47 | Lena L. Brooks | 34 | wife | — | Oklahoma |
| 48 | Breida Brooks | 8 | daughter | — | Arizona |
| 49 | Zeta Laverne Brooks | 6 | daughter | — | Arizona |
| 50 | Thomas A. Brooks | 5 | son | — | Arizona |
| 51 | Lena Mary Brooks | 2 | daughter | — | Arizona |
| 52 | Arlus E. Chesser | 36 | head | Labourer | Arkansas |
| 53 | Fleecie Chesser | 32 | wife | — | Arkansas |
| 54 | Helendene Chesser | 4 | daughter | — | Arkansas |
| 55 | Leda Rae Chesser | 2 | daughter | — | Arizona |
| 56 | Caroline Chesser | 0 | daughter | — | Arizona |
| 57 | Edgar Chesser | 21 | brother | Assistant Well Driller | Arkansas |
| 58 | James W. Ray | 25 | head | Owner Operator | Arizona |
| 59 | Leah Ray | 23 | wife | — | Arizona |
| 60 | Margo Ray | 1 | daughter | — | Arizona |
| 61 | Elaine Ray | 0 | daughter | — | Arizona |
| 62 | Jesus M. Martinez | 57 | head | Irrigator | Mexico |
| 63 | Ester Martinez | 49 | wife | — | Mexico |
| 64 | Ramon Martinez | 32 | son | Laborer | Mexico |
| 65 | Luise Martinez | 26 | daughter | — | Mexico |
| 66 | Francisco Martinez | 19 | son | Laborer | Arizona |
| 67 | Esperanza Martinez | 17 | daughter | — | Arizona |
| 68 | Alejandro Martinez | 13 | son | — | Arizona |
| 69 | Jesus Martinez | 10 | son | — | Arizona |
| 70 | Jose Martinez | 8 | son | — | Arizona |
| 71 | John F. Albrecht | 53 | head | Farm Operator | Iowa |
| 72 | Alice B. Albrecht | 59 | wife | — | Iowa |
| 73 | Leila Albrecht | 22 | daughter | Secretary | Iowa |
| 74 | Burton J. Albrecht | 20 | son | — | Iowa |
| 75 | Otis C. Marshall | 46 | head | Farm Operator | Colorado |
| 76 | Vivian Marshall | 36 | wife | — | Arizona |
| 77 | Cleo Marshall | 14 | daughter | — | Arizona |
| 78 | William C. Phelps THIS PERSON | 64 | head | Farm Operator | Idaho |
| 79 | Minnie O. Phelps | 60 | wife | — | Texas |
| 80 | Clyde Phelps | 37 | son | Assistant Farm Operator | 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)