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Maria Lopez — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pima, Arizona
Our Model Tree links this Maria Lopez across the 1910 and 1920 US Censuses in Pima, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1900), then head of a 12-person household.
Age 20
b. ~1900
Female
Daughter
Born: Arizona
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Pima, Arizona |
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | American Indian |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Papago |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Papago Indian Reservation Part Of |
| Est. Birth Year | ~1900 |
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.
12 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Florentine Lopez | Son | — | 22 | ~1898 |
| Esteban Williams | Son | — | 11 | ~1909 |
| Mala Lopez | Spouse | — | 30 | ~1890 |
| Manuel Williams | Son | — | 13 | ~1907 |
| Soloji Williams | Head | — | 45 | ~1875 |
| Luis Lopez | Other | — | 30 | ~1890 |
| Magdalena Williams | Spouse | — | 45 | ~1875 |
| Ma Williams | Daughter | — | 4 | ~1916 |
| Maria Williams | Daughter | — | 9 | ~1911 |
| Vicente Lopez | Son | — | 18 | ~1902 |
| Ivan Lopez | Son | — | 14 | ~1906 |
| Maria Lopez | Daughter | — | 20 | ~1900 |
Census Appearances
1910
Pima, Arizona
Daughter, age 11
Pima, Arizona · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mex. Spanish |
| Mother's Birthplace | Mex. Spanish |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1920
Pima, Arizona
Daughter, age 20
Pima, Arizona · implied b. ~1900 — 12 household members
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | American Indian |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Papago |
| 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 (1910 and 1920) in Pima, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Lopez
Daughter · 1920 · age 20 · b. ~1900 · Arizona
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Sibling
Manuel Williams
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maria Williams
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florentine Lopez
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vicente Lopez
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ma Williams
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Lopez
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esteban Williams
Sibling · 1920 · age 11
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
1920 US Federal Census — Pima, Arizona
Open full size
1920 US Federal Census — Pima, Arizona
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu051unit:0171)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Juana Acia | 48 | Head | Farm Labor | Mexico |
| 52 | Juana Acia | 43 | Wife | None | Mexico |
| 53 | Manuel Acia | 16 | Son | None | Arizona |
| 54 | Lupe Acia | 14 | Daughter | None | Arizona |
| 55 | Ventura Acia | 10 | Son | None | Arizona |
| 56 | Arturo Acia | 7 | Son | None | Arizona |
| 57 | Manuel Lopez | 43 | Head | Farmer | Arizona |
| 58 | Dolores Lopez | 40 | Wife | None | Arizona |
| 59 | Jose Xavier | 50 | Head | Farmer | Arizona |
| 60 | Xavier | 50 | Wife | None | Arizona |
| 61 | Manuel Antonia Xavier | 35 | Daughter | None | Arizona |
| 62 | Abraham Xavier | 20 | Son | None | Arizona |
| 63 | Ross Xavier | 11 | Son | None | Arizona |
| 64 | Henry Xavier | 9 | Son | None | Arizona |
| 65 | Francisco Pablo | 60 | Head | None | Arizona |
| 66 | Ramon Pablo | 45 | Head | Farmer | Arizona |
| 67 | Chanty Pablo | 40 | Wife | None | Arizona |
| 68 | Jose Ramon Pablo | 20 | Son | Farm Labor | Arizona |
| 69 | Jose Pedro Pablo | 20 | Son | None | Arizona |
| 70 | Alice Pablo | 16 | Daughter | None | Arizona |
| 71 | Clinton Pablo | 14 | Son | None | Arizona |
| 72 | Manuel Pablo | 60 | Father | None | Mexico |
| 73 | Jose Maria Alvarez | 50 | Head | Farm Labor | Mexico |
| 74 | Romana Alvarez | 50 | Wife | None | Mexico |
| 75 | Victor Alvarez | 8 | Grandson | None | Arizona |
| 76 | Luisa Ramon | 15 | Head | Teacher | Arizona |
| 77 | Soloji Williams | 45 | Head | Farmer | Arizona |
| 78 | Magdalena Williams | 45 | Wife | None | Arizona |
| 79 | Manuel Williams | 13 | Son | None | Arizona |
| 80 | Esteban Williams | 11 | Son | None | Arizona |
| 81 | Maria Williams | 9 | Daughter | None | Arizona |
| 82 | Ma Susanne Williams | 4 | Daughter | None | Arizona |
| 83 | Luis Lopez | 30 | 1 | Farmer | Arizona |
| 84 | Mala Lopez | 30 | Wife | None | Arizona |
| 85 | Florentine Lopez | 22 | Son | None | Arizona |
| 86 | Maria Lopez THIS PERSON | 20 | Daughter | None | Arizona |
| 87 | Vicente Lopez | 18 | Son | Farm Labor | Arizona |
| 88 | Ivan Lopez | 14 | Son | None | Arizona |
| 89 | Rafael Ortiz | 30 | Head | Farm Labor | Mexico |
| 90 | Ramona Ortiz | 24 | Wife | None | Arizona |
| 91 | Margarita Ortiz | 12 | Daughter | None | Arizona |
| 92 | Danelle Ortiz | 1 | Son | None | Arizona |
| 93 | Juana Lopez | 15 | Niece | None | Arizona |
| 94 | Listo Smith | 50 | 1 | Farmer | Arizona |
| 95 | Carmen Smith | 35 | Wife | None | Arizona |
| 96 | Santiago Smith | 14 | Son | None | Arizona |
| 97 | Jose Manuel Smith | 12 | Son | None | Arizona |
| 98 | Rafael Smith | 8 | Son | None | Arizona |
| 99 | Rosa Smith | 6 | Daughter | None | Arizona |
| 100 | Josefa Smith | 5 | Daughter | None | Arizona |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)