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Maria Martinez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pima, Arizona
Our Model Tree links this Maria Martinez across the 1920 and 1930 US Censuses in Pima, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 13-person household.
Age 13
b. ~1917
Female
Daughter
Born: Arizona
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pima, Arizona |
| Surname | Martinez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Precinct 2 |
| Est. Birth Year | ~1917 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Eva Martinez | Daughter | — | 4 | ~1926 |
| Esperanza Martinez | Daughter | — | 1 | ~1929 |
| Bertha Martinez | Daughter | — | 10 | ~1920 |
| Rosendo Martinez | Son | — | 20 | ~1910 |
| Aurora Martinez | Daughter | — | 12 | ~1918 |
| Maria Martinez | Daughter | — | 13 | ~1917 |
| Carlos Martinez | Son | — | 9 | ~1921 |
| Josefina Martinez | Spouse | — | 40 | ~1890 |
| Jesus Martinez | Son | — | 3 | ~1927 |
| Matilde Martinez | Daughter | — | 11 | ~1919 |
| David Martinez | Son | — | 6 | ~1924 |
| Jose Martinez | Head | — | 52 | ~1878 |
| Francisco Martinez | Son | — | 16 | ~1914 |
Census Appearances
1920
Pima, Arizona
Daughter, age 1
Pima, Arizona · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Pima, Arizona
Daughter, age 13
Pima, Arizona · implied b. ~1917 — 13 household members
| Surname | Martinez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Occupation | none |
| 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 Martinez across 2 US Census years (1920 and 1930) in Pima, Arizona, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Martinez
Daughter · 1930 · age 13 · b. ~1917 · Arizona
★ You are viewing this record
Sibling
Carlos Martinez
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aurora Martinez
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosendo Martinez
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Martinez
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesus Martinez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martinez
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matilde Martinez
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francisco Martinez
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esperanza Martinez
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Martinez
Sibling · 1930 · 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
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:1930:15thcensus56unit:0458)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Simona Chavez | 3 | Daughter | None | Arizona |
| 2 | Olga Chavez | 1 | Daughter | None | Arizona |
| 3 | Federico Chavez | 19 | Nephew | Laborer | Texas |
| 4 | Guadalupe Salcido | 29 | Head | Laborer | New Mexico |
| 5 | Elvira Salcido | 27 | Wife | None | New Mexico |
| 6 | Beatriz Salcido | 2 | Daughter | None | California |
| 7 | Patricio Marquez | 30 | Head | Meat Seller | Arizona |
| 8 | Epifania Marquez | 35 | Wife | None | Mexico |
| 9 | Manuel Marquez | 18 | Son | Laborer | Arizona |
| 10 | Jesus Marquez | 16 | Son | None | Arizona |
| 11 | Rosario Marquez | 14 | Daughter | None | Arizona |
| 12 | Sixto Marquez | 9 | Son | None | Arizona |
| 13 | Ramon Marquez | 3 | Son | None | Arizona |
| 14 | Nicolas Olmos | 37 | Head | Miner | Mexico |
| 15 | Inocencia Olmos | 27 | Wife | None | Mexico |
| 16 | Ignacia Olmos | 9 | Daughter | None | Mexico |
| 17 | Maria Olmos | 7 | Daughter | None | Mexico |
| 18 | Leobardo Olmos | 5 | Son | None | Mexico |
| 19 | Jose Olmos | 2 | Son | None | Arizona |
| 20 | Guadalupe Olmos | 25 | Head | Laborer | Mexico |
| 21 | Pablo Ruiz | 26 | Head | Miner | Mexico |
| 22 | Miguel Lozada | 22 | Head | Miner | Mexico |
| 23 | Maria Lozada | 16 | Wife | None | Mexico |
| 24 | Martina Gomez | 45 | Head | Laundress | Mexico |
| 25 | Amador Gomez | 11 | Son | None | Arizona |
| 26 | Lorenzo Gomez | 7 | Son | None | Arizona |
| 27 | Guadalupe Gomez | 5 | Daughter | None | Arizona |
| 28 | Jose A. Martinez | 52 | Head | Pipe Fitter | Mexico |
| 29 | Josefina Martinez | 40 | Wife | None | Mexico |
| 30 | Rosendo Martinez | 20 | Son | None | Mexico |
| 31 | Francisco Martinez | 16 | Son | None | Arizona |
| 32 | Maria Martinez THIS PERSON | 13 | Daughter | None | Arizona |
| 33 | Aurora Martinez | 12 | Daughter | None | Arizona |
| 34 | Matilde Martinez | 11 | Daughter | None | Arizona |
| 35 | Bertha Martinez | 10 | Daughter | None | Arizona |
| 36 | Carlos Martinez | 9 | Son | None | Arizona |
| 37 | David Martinez | 6 | Son | None | Arizona |
| 38 | Eva Martinez | 4 | Daughter | None | Arizona |
| 39 | Jesus Martinez | 3 | Son | None | Arizona |
| 40 | Esperanza Martinez | 1 | Daughter | None | Arizona |
| 41 | Hilario Lozano | 46 | Head | Laborer | Mexico |
| 42 | Andres Lozano | 26 | Head | Laborer | Mexico |
| 43 | Roman Ibarra | 27 | Head | Miner | Mexico |
| 44 | Guadalupe Ibarra | 28 | Wife | None | New Mexico |
| 45 | Bernardo Mariscal | 35 | Head | Miner | Texas |
| 46 | Delfina Mariscal | 24 | Wife | None | Mexico |
| 47 | Astoria Mariscal | 6 | Daughter | None | Arizona |
| 48 | Amelia Mariscal | 4 | Daughter | None | Arizona |
| 49 | Feliciano Galvez | 21 | Head | Miner | Mexico |
| 50 | John Soto | 78 | Head | Odd Jobs | Mexico |
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)