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Maria Gonzales — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cochise-County, Arizona
Our Model Tree links this Maria Gonzales across the 1930 and 1940 US Censuses in Cochise-County, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cochise-County, Arizona |
| Surname | Gonzales |
| Given Name | Maria |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Bisbee City |
| 1935 Residence (County) | Cochise |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Bisbee City |
| Est. Birth Year | ~1927 |
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 Maria | Age | Birth yr |
|---|---|---|---|---|
| Maria Gonzales | Daughter | — | 13 | ~1927 |
| Sebero Gonzales | Son | — | 19 | ~1921 |
| Jose Gonzales | Head | — | 47 | ~1893 |
| Rosaria Gonzales | Spouse | — | 38 | ~1902 |
| Lorenzo Gonzales | Son | — | 14 | ~1926 |
| Rosario Gonzales | Son | — | 18 | ~1922 |
| Belen Gonzales | Daughter | — | 10 | ~1930 |
| Irene Gonzales | Son | — | 15 | ~1925 |
Census Appearances
1930
Cochise, Arizona
Daughter, age 2
Cochise, Arizona · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gonzales |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Cochise-County, Arizona
Daughter, age 13
Cochise-County, Arizona · implied b. ~1927 — 8 household members
| Surname | Gonzales |
| Given Name | Maria |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Bisbee City |
| 1935 Residence (County) | Cochise |
| Highest Grade | No 6 |
| 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 Maria Gonzales across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Gonzales
Daughter · 1940 · age 13 · b. ~1927 · Arizona
★ You are viewing this record
Sibling
Rosario Gonzales
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sebero Gonzales
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Gonzales
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorenzo Gonzales
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Belen Gonzales
Sibling · 1940 · age 10
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 — Cochise-County, Arizona
Open full size
1940 US Federal Census — Cochise-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00100-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lu Valencia | 8 | daughter | — | Arizona |
| 2 | Alvira Valencia | 7 | daughter | — | Arizona |
| 3 | Rosalina Valencia | 3 | daughter | — | Arizona |
| 4 | Jose Gonzales | 47 | head | Miner | Mexico |
| 5 | Rosaria Gonzales | 38 | wife | Housewife | Mexico |
| 6 | Sebero Gonzales | 19 | son | — | Arizona |
| 7 | Rosario Gonzales | 18 | son | — | Arizona |
| 8 | Irene Gonzales | 15 | son | — | Arizona |
| 9 | Lorenzo Gonzales | 14 | son | — | Arizona |
| 10 | Maria Gonzales THIS PERSON | 13 | daughter | — | Arizona |
| 11 | Belen Gonzales | 10 | daughter | — | Arizona |
| 12 | Ylaria Casillas | 51 | head | — | Mexico |
| 13 | Alejandro Chavez | 57 | head | — | Mexico |
| 14 | Leonarda Chavez | 48 | wife | Housewife | Mexico |
| 15 | Alejandro Chavez | 26 | son | — | Mexico |
| 16 | Carmen Chavez | 22 | daughter | — | Mexico |
| 17 | Lupe Chavez | 21 | daughter | — | Arizona |
| 18 | Catarino Arana | 47 | head | Timberman | Mexico |
| 19 | Urines Arana | 40 | wife | Housewife | Arizona |
| 20 | Valentina Arana | 18 | daughter | Housemaid | Texas |
| 21 | Magdalena Arana | 17 | daughter | — | Texas |
| 22 | Izilia Arana | 15 | daughter | — | Arizona |
| 23 | Felipa Arana | 13 | son | — | Arizona |
| 24 | Eulalia Arana | 10 | daughter | — | Arizona |
| 25 | Simona Arana | 8 | daughter | — | Arizona |
| 26 | Bernabe Arana | 6 | son | — | Arizona |
| 27 | Gregoria Arana | 4 | daughter | — | Arizona |
| 28 | Josefa Casillas | 45 | head | Housewife | Mexico |
| 29 | Cornelia Casillas | 21 | daughter | Housemaid | Arizona |
| 30 | Manuel Casillas | 17 | son | — | Arizona |
| 31 | Ricardo Casillas | 15 | son | — | Arizona |
| 32 | Horaciano Casillas | 14 | son | — | Arizona |
| 33 | Artemisa Casillas | 13 | daughter | — | Arizona |
| 34 | Michael Diaz | 63 | head | — | Mexico |
| 35 | Josephine Diaz | 44 | wife | — | Mexico |
| 36 | Michael Jr Diaz | 25 | son | Laborer | Arizona |
| 37 | Hermania Diaz | 23 | daughter | — | Arizona |
| 38 | Manuel Diaz | 21 | son | — | Arizona |
| 39 | Christina Diaz | 19 | daughter | — | Arizona |
| 40 | Elario Diaz | 17 | son | — | Arizona |
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)