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Maria Lopez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pima, Arizona
Our Model Tree links this Maria Lopez across the 1920 and 1930 US Censuses in Pima, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 9-person household.
Age 28
b. ~1902
Female
Daughter
Born: Arizona
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pima, Arizona |
| Surname | Lopez |
| Given Name | Maria S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Arivaca Precinct |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Peregrina Lopez | Daughter | — | 33 | ~1897 |
| Librado Lopez | Son | — | 19 | ~1911 |
| Jose Lopez | Other | — | 58 | ~1872 |
| Isabel Lopez | Daughter | — | 14 | ~1916 |
| Maria Lopez | Daughter | — | 28 | ~1902 |
| Lorenzo Lopez | Son | — | 24 | ~1906 |
| Refugio Lopez | Head | — | 73 | ~1857 |
| Matilde Lopez | Daughter | — | 23 | ~1907 |
| Luis Lopez | Son | — | 21 | ~1909 |
Census Appearances
1920
Pima, Arizona
Daughter, age 17
Pima, Arizona · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | American Indian |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Mexico |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Papago |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Pima, Arizona
Daughter, age 28
Pima, Arizona · implied b. ~1902 — 9 household members
| Surname | Lopez |
| Given Name | Maria S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Can Read/Write | Yes |
| 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 Lopez across 2 US Census years (1920 and 1930) in Pima, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Lopez
Daughter · 1930 · age 28 · b. ~1902 · Arizona
★ You are viewing this record
Sibling
Peregrina Lopez
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luis Lopez
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matilde Lopez
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabel Lopez
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorenzo Lopez
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Librado Lopez
Sibling · 1930 · age 19
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
1930 US Federal Census — Pima, Arizona
Open full size
1930 US Federal Census — Pima, Arizona
Page Contents
50 people indexed on this census page (ia:1930:15thcensus61unit:0138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Asa J. Hubbell | 34 | Bro. | — | Nebraska |
| 52 | Stenell C. Nelson | 20 | Boarder | Truck Driver | Utah |
| 53 | Ralph E. Smith | 30 | Bro in law | Truck Driver | Illinois |
| 54 | Hate P. Gibson | 35 | Servant | Truck Driver | Texas |
| 55 | D. Hoot | 45 | Servant | Servant | California |
| 56 | Truman C. Kinsley | 26 | Head | — | California |
| 57 | Arizona L. Kinsley | 22 | Wife-H | Truck Driver | Arkansas |
| 58 | Irma F. Kinsley | 1 | Daughter | — | Arizona |
| 59 | Antonio A. Lopez | 69 | Head | Owner | Mexico |
| 60 | Antonia A. Lopez | 29 | Son | Cowboy | Arizona |
| 61 | Refugio M. Lopez | 73 | Head | Laborer | Mexico |
| 62 | Jose D. Lopez | 58 | Wife-H | — | Mexico |
| 63 | Peregrina D. Lopez | 33 | Daughter | — | Arizona |
| 64 | Maria S. Lopez THIS PERSON | 28 | Daughter | — | Arizona |
| 65 | Lorenzo S. Lopez | 24 | Son | Cowboy | Arizona |
| 66 | Matilde D. Lopez | 23 | Daughter | — | Arizona |
| 67 | Luis D. Lopez | 21 | Son | Laborer | Arizona |
| 68 | Librado S. Lopez | 19 | Son | — | Arizona |
| 69 | Isabel D. Lopez | 14 | Daughter | — | Arizona |
| 70 | Manuel B. Garcia | 56 | Head | Owner | Mexico |
| 71 | Isabel L. Garcia | 49 | Wife-H | — | Mexico |
| 72 | Luis L. Garcia | 22 | Son | Cowboy | Arizona |
| 73 | Francisco L. Garcia | 20 | Daughter | — | Arizona |
| 74 | Leonardo L. Garcia | 17 | Son | — | Arizona |
| 75 | Gustavo L. Garcia | 15 | Son | — | Arizona |
| 76 | Isabel L. Garcia | 14 | Daughter | — | Arizona |
| 77 | Ruperto L. Ortiz | 31 | Head | Laborer | Arizona |
| 78 | Manuela G. Ortiz | 27 | Wife-H | — | Arizona |
| 79 | Ofelia G. Ortiz | 6 | Daughter | — | Arizona |
| 80 | Isabel G. Ortiz | 5 | Daughter | — | Arizona |
| 81 | Felicita G. Ortiz | 5 | Daughter | — | Arizona |
| 82 | Amelia G. Ortiz | 3 | Daughter | — | Arizona |
| 83 | Arturo G. Ortiz | 1 | Daughter | — | Arizona |
| 84 | Gabriel B. Garcia | 50 | Head | Owner | Mexico |
| 85 | Laboria King R. Garcia | 57 | Servant | Servant | Mexico |
| 86 | Duarte Anastacio Garcia | 16 | Servant | — | Arizona |
| 87 | Jesus R. Garcia | 13 | Servant | — | Arizona |
| 88 | Jesus M. Figueroa | 38 | Head | Plasterer | Mexico |
| 89 | Armida D. Figueroa | 20 | Wife-H | — | Mexico |
| 90 | Damacio B. Garcia | 48 | Head | Owner | Mexico |
| 91 | Carmen V. Garcia | 38 | Wife-H | — | Mexico |
| 92 | Gilberto V. Garcia | 16 | Son | — | Arizona |
| 93 | Duarte V. Garcia | 14 | Son | — | Arizona |
| 94 | Beatriz V. Garcia | 13 | Daughter | — | Arizona |
| 95 | Maria V. Garcia | 9 | Daughter | — | Arizona |
| 96 | Paul E. Jones | 35 | Head | Customs Inspector | Indiana |
| 97 | Alma M. Jones | 34 | Wife-H | Customs Inspector | Illinois |
| 98 | Betty J. Jones | 8 | Daughter | — | Missouri |
| 99 | Earl E. Jones | 5 | Son | — | Arizona |
| 100 | Paul E. Jones | 2 | Son | — | Arizona |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)