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Mary Matthews — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Mary Matthews across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents John & Etta — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Matthews |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Phoenix City |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Matthews | Daughter | — | 20 | ~1920 |
| John Matthews | Head | — | 52 | ~1888 |
| William Stapley | Other | — | 74 | ~1866 |
| Charles Matthews | Son | — | 23 | ~1917 |
| Verl Matthews | Son | — | 16 | ~1924 |
| Etta Matthews | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Maricopa, Arizona
Daughter, age
Maricopa, Arizona · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Matthews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Daughter, age 10
Maricopa, Arizona · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Matthews |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Daughter, age 20
Maricopa-County, Arizona · implied b. ~1920 — 6 household members
| Surname | Matthews |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Highest Grade | C 3 |
| 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 Mary Matthews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Matthews (~0.92 confidence) and mother Etta Matthews (~0.92 confidence) and mother Alta Matthews (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Matthews
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Etta Matthews
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Alta Matthews
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Matthews
Daughter · 1940 · age 20 · b. ~1920 · Arizona
★ You are viewing this record
Sibling
Charles Matthews
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verl Matthews
Sibling · 1940 · age 16
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-t0627-00105-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | R. Z. Butler | 39 | Head | Gardner | Arizona |
| 2 | Mary E. Butler | 44 | Wife | Gardner | Arizona |
| 3 | Della Mae Butler | 20 | Daughter | — | Arizona |
| 4 | Theda Butler | 18 | Daughter | — | Arizona |
| 5 | William Dennis Butler | 16 | Son | — | Arizona |
| 6 | Louise Butler | 14 | Daughter | — | Arizona |
| 7 | Ruth Anna Butler | 12 | Daughter | — | Arizona |
| 8 | G. C. Richey | 37 | Head | Trouble Man | Illinois |
| 9 | Hazel O. Richey | 31 | Wife | Dental Assistant | Arizona |
| 10 | Pistachio Speers | 18 | Daughter | Secretary | Arizona |
| 11 | Arthur Thirsty | 23 | Son | Elevator Operator | California |
| 12 | Rita Thirsty | 20 | Daughter | Counter Girl | Arizona |
| 13 | John D. Matthews | 52 | Head | — | Arizona |
| 14 | Etta S. Matthews | 42 | Wife | Practical Nurse | Arizona |
| 15 | Charles Matthews | 23 | Son | Meat Cutter | Arizona |
| 16 | Mary Ellen Matthews THIS PERSON | 20 | Daughter | — | Arizona |
| 17 | Verl O. Matthews | 16 | Son | — | Arizona |
| 18 | William H. Stapley | 74 | Father in law | — | Utah |
| 19 | E. F. Johnson | 43 | Head | Printer | Nebraska |
| 20 | Floy S. Johnson | 32 | Wife | — | Louisiana |
| 21 | Adella Johnson | 14 | Daughter | — | Missouri |
| 22 | Everett S. Pancake | 56 | Head | Printer | West Virginia |
| 23 | Luella S. Pancake | 37 | Wife | — | Minnesota |
| 24 | William A. Jones | 37 | Boarder | Selector-Salesman | Ohio |
| 25 | J. L. Henry | 66 | Head | Bakery | North Ireland |
| 26 | Irene S. Henry | 53 | Wife | — | Illinois |
| 27 | Leslie W. Henry | 27 | Son | Bakery Goods | Iowa |
| 28 | Adeline B. Henry | 20 | Daughter in law | Retail Grocery Store | Missouri |
| 29 | Elizabeth Henry | 18 | Daughter | — | Missouri |
| 30 | Ellen C. Henry | 17 | Daughter | — | Missouri |
| 31 | Winston K. Henry | 15 | Son | — | Missouri |
| 32 | Vesta A. Henry | 13 | Daughter | — | Missouri |
| 33 | James B. Estes | 38 | Head | Gardner | Arkansas |
| 34 | Norma A. Estes | 35 | Wife | — | Missouri |
| 35 | Gilbert Estes | 15 | Son | — | Colorado |
| 36 | Eugene Estes | 13 | Son | — | Missouri |
| 37 | Robert Estes | 10 | Son | — | Arizona |
| 38 | Frank E. Williams | 40 | Head | Meter Minder | Texas |
| 39 | Hallie S. Williams | 34 | Wife | — | Arkansas |
| 40 | Ruth V. Williams | 17 | Daughter | — | Arizona |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 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)