CW
Claude Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Claude Williams across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents William & Dena — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Williams |
| Given Name | Claude O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Mesa City |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Retail Hardware |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1920 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Mechanic |
| Township / Ward | Mesa City |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Claude | Age | Birth yr |
|---|---|---|---|---|
| Marvin Williams | Son | — | 13 | ~1927 |
| Robert Williams | Son | — | 8 | ~1932 |
| Harold Williams | Son | — | 10 | ~1930 |
| Nedra Williams | Daughter | — | 14 | ~1926 |
| Claude Williams | Head | — | 39 | ~1901 |
| Thelma Williams | Spouse | — | 38 | ~1902 |
| Phyllis Williams | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Maricopa, Arizona
Son, age 19
Maricopa, Arizona · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Claude |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Utah |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Head, age 29
Maricopa, Arizona · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Claude |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2450 |
| Radio Set | R |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 39
Maricopa-County, Arizona · implied b. ~1901 — 7 household members
| Surname | Williams |
| Given Name | Claude O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Mesa City |
| 1935 Residence (County) | Maricopa |
| Occupation | Mechanic |
| Industry | Retail Hardware |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1920 |
| Highest Grade | Hs 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 Claude Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Williams (~0.92 confidence) and mother Dena Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Williams
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Dena Williams
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Claude Williams
Head · 1940 · age 39 · b. ~1901 · 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-t0627-00106-00194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorna Walker | 26 | Wife | — | Arizona |
| 42 | Barbara L Walker | 9 | Daughter | — | Arizona |
| 43 | Margie Rosalie Walker | 7 | Daughter | — | Idaho |
| 44 | Thomas Wayne Walker | 5 | Son | — | Idaho |
| 45 | Harold Crouch | 21 | Head | Salesman | Missouri |
| 46 | Opal Crouch | 24 | Wife | — | Arizona |
| 47 | James Houston | 4 | Stepson | — | Arizona |
| 48 | Mary Faulkner | 53 | Head | — | Tennessee |
| 49 | Margaret O White | 31 | Daughter | — | Tennessee |
| 50 | William White | 11 | Son | — | Arizona |
| 51 | Alva Bargus | 29 | Head | Labor | Arkansas |
| 52 | Lorena Bargus | 4 | Daughter | — | Oklahoma |
| 53 | Carl Bargus | 6 | Son | — | Oklahoma |
| 54 | Billy Bargus | 10 | Son | — | Oklahoma |
| 55 | Ira Cox | 24 | Head | Fruit Packer | Texas |
| 56 | Berniece Cox | 27 | Wife | Fruit Packer | Texas |
| 57 | Don C Nicoll | 49 | Head | Farmer | Arizona |
| 58 | Ethel N Nicoll | 44 | Wife | — | Arizona |
| 59 | Caster Nicoll | 19 | Son | — | Arizona |
| 60 | Marie Nicoll | 17 | Daughter | Secretary | Arizona |
| 61 | Don Carlos Nicoll | 15 | Son | — | Arizona |
| 62 | Guy Alma Nicoll | 13 | Son | — | Arizona |
| 63 | Joyce Nicoll | 8 | Daughter | — | Arizona |
| 64 | Kenneth Nicoll | 6 | Son | — | Arizona |
| 65 | John C Nicoll | 2 | Son | — | Arizona |
| 66 | C H Mourad | 68 | Head | Operator | Sweden |
| 67 | Daniel H Railsback | 58 | Head | Pharmacist | Kansas |
| 68 | Flora A Railsback | 57 | Wife | Assistant | Michigan |
| 69 | Loren Pat Railsback | 21 | Son | Teacher | Washington |
| 70 | Claude O Williams THIS PERSON | 39 | Head | Mechanic | Arizona |
| 71 | Thelma Williams | 38 | Wife | — | Mexico |
| 72 | Phyllis Williams | 16 | Daughter | — | Arizona |
| 73 | Nedra Mae Williams | 14 | Daughter | Housekeeper | Arizona |
| 74 | Marvin Williams | 13 | Son | — | Arizona |
| 75 | Harold Williams | 10 | Son | — | Arizona |
| 76 | Robert Williams | 8 | Son | — | Arizona |
| 77 | Jeff Simo | 39 | Head | — | Arkansas |
| 78 | Elizabeth Simo | 49 | Wife | — | Mississippi |
| 79 | Vernon Simo | 15 | Son | — | Arizona |
| 80 | Lois Ellen Simo | 10 | Daughter | — | Arizona |
Pedigree Summary
Claude
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)