JW
Jean Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Jean Williams across the 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 5-person household.
Age 18
b. ~1922
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Williams |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | MARICOPA |
| Additional Details | |
| Occupation | Waitress |
| Industry | Retail Drug Store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 70 |
| Highest Grade | H-2 |
| 1935 Residence | Arizona |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Waitress |
| Township / Ward | Phoenix City |
| Est. Birth Year | ~1922 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jean | Age | Birth yr |
|---|---|---|---|---|
| Virginia Williams | Daughter | — | 19 | ~1921 |
| Jack Williams | Son | — | 16 | ~1924 |
| Lyle Williams | Son | — | 14 | ~1926 |
| Jean Williams | Daughter | — | 18 | ~1922 |
| Grace Williams | Head | — | 48 | ~1892 |
Census Appearances
1930
Maricopa, Arizona
Other, age 8
Maricopa, Arizona · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Jean |
| Relationship to Head | Dau |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Maricopa-County, Arizona
Daughter, age 18
Maricopa-County, Arizona · implied b. ~1922 — 5 household members
| Surname | Williams |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | MARICOPA |
| Occupation | Waitress |
| Industry | Retail Drug Store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 70 |
| Highest Grade | H-2 |
| 1935 Residence | Arizona |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Jean Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jean Williams
Daughter · 1940 · age 18 · b. ~1922 · Arizona
★ You are viewing this record
Sibling
Jack Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Williams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Williams
Sibling · 1940 · age 14
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 — 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-t0627-00104-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William B. Johnson | 26 | Head | Writer | Texas |
| 2 | Wilma Johnson | 25 | Wife | — | Arizona |
| 3 | Barbara Joan Johnson | 5 | Daughter | — | Arizona |
| 4 | William Jr. Johnson | 0 | Son | — | Arizona |
| 5 | Don R. Bauman | 38 | Head | Superintendent | Iowa |
| 6 | Juliet Bauman | 36 | Wife | — | North Dakota |
| 7 | Suna Bauman | 16 | Daughter | — | Washington |
| 8 | Adrian Baird | 37 | Head | Salesman | Texas |
| 9 | Myrtle Baird | 29 | Wife | — | Missouri |
| 10 | Gordon Baird | 4 | Son | — | Texas |
| 11 | George Hillis | 61 | Head | Supt. City Parks | Illinois |
| 12 | Virginia Hillis | 44 | Wife | — | Illinois |
| 13 | George Jr. Hillis | 16 | Son | — | Illinois |
| 14 | Edna C. Blair | 70 | Mother-in-law | — | New York |
| 15 | Edward Wilson | 65 | Head | Bookkeeper | California |
| 16 | Marjorie Wilson | 63 | Wife | — | California |
| 17 | Grace Williams | 48 | Head | — | Illinois |
| 18 | Virginia Williams | 19 | Daughter | Credit Department | Illinois |
| 19 | Jean Williams THIS PERSON | 18 | Daughter | Waitress | Illinois |
| 20 | Jack Williams | 16 | Son | — | Illinois |
| 21 | Lyle Williams | 14 | Son | — | Illinois |
| 22 | Mary Green | 62 | Head | — | New Jersey |
| 23 | Alfred M. Green | 40 | Son | Manager | New Jersey |
| 24 | Ivan S. Green | 32 | Son | Co-Manager | Arizona |
| 25 | Frank Higgins | 70 | Brother | — | New Jersey |
| 26 | Michiel F. Green | 69 | Husband | Steward | Connecticut |
| 27 | Mozart Boshard | 49 | Head | Salesman | Utah |
| 28 | Lillian Boshard | 22 | Wife | — | Utah |
| 29 | Lucy Sidders | 67 | Head | — | Pennsylvania |
| 30 | Lillian Burke | 33 | Mother | Manager | New York |
| 31 | Ruben Garcia | 24 | Head | Waiter | Mexico |
| 32 | Mabel Garcia | 17 | Wife | — | Arizona |
| 33 | Melburn Meyer | 21 | Head | Florist | Colorado |
| 34 | Rosemary Meyer | 19 | Wife | — | Illinois |
| 35 | Michael Meyer | 5 | Son | — | Colorado |
| 36 | Sharon Meyer | 1 | Daughter | — | Arizona |
| 37 | Dorothy Black | 28 | Lodger | — | Arizona |
| 38 | Patsy Lou Black | 5 | Lodger | — | Arizona |
| 39 | C. L. Walmsley | 56 | Head | Under Sheriff | Tennessee |
| 40 | Hermina Walmsley | 40 | Wife | — | Ohio |
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)