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Maria Lopez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Riverside, California
Our Model Tree links this Maria Lopez across the 1930 and 1940 US Censuses in Riverside, California (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 12-person household.
Age 6
b. ~1924
Female
Daughter
Born: Arizona
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Riverside, California |
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Indio Town |
| Est. Birth Year | ~1924 |
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 1930 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Jesus Lopez | Son | — | 12 | ~1918 |
| Guadalupe Lopez | Son | — | 8 | ~1922 |
| Carmen Lopez | Daughter | — | 18 | ~1912 |
| Consuelo Lopez | Daughter | — | 3 | ~1927 |
| Tossa Lopez | Daughter | — | 20 | ~1910 |
| Lawrence Lopez | Son | — | 22 | ~1908 |
| Juana Lopez | Daughter | — | 24 | ~1906 |
| Amparo Lopez | Daughter | — | 1 | ~1929 |
| Maria Lopez | Daughter | — | 6 | ~1924 |
| Juana Lopez | Other | — | 44 | ~1886 |
| Refuego Lopez | Daughter | — | 10 | ~1920 |
| Refuego Lopez | Head | — | 45 | ~1885 |
Census Appearances
1930
Riverside, California
Daughter, age 6
Riverside, California · implied b. ~1924 — 12 household members
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Riverside-County, California
Daughter, age 15
Riverside-County, California · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Matilda |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Blythe City |
| 1935 Residence (County) | Riverside |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Lopez
Daughter · 1930 · age 6 · b. ~1924 · California
★ You are viewing this record
Sibling
Carmen Lopez
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesus Lopez
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tossa Lopez
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juana Lopez
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guadalupe Lopez
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amparo Lopez
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Consuelo Lopez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Lopez
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Refuego Lopez
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 — Riverside, California
Open full size
1930 US Federal Census — Riverside, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel183:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fernando Torres | 20 | Head | Laborer | Mexico |
| 52 | Jessie Torres | 19 | Wife-H | — | Mexico |
| 53 | Jose Carrillo | 42 | Head | Laborer | Arizona |
| 54 | Guillermo Carrillo | 40 | Wife-H | — | Arizona |
| 55 | Ocelta Carrillo | 19 | Daughter | Saleslady | Arizona |
| 56 | Raymond Carrillo | 12 | Son | — | Arizona |
| 57 | Simon Varelas | 11 | Nephew | — | Arizona |
| 58 | Ernest Varelas | 12 | Nephew | — | Arizona |
| 59 | Adolph Inol | 48 | Head | Gardener | Texas |
| 60 | Paula Inol | 42 | Wife-H | — | Mexico |
| 61 | Hellen Aguirre | 17 | Step daughter | — | Arizona |
| 62 | Arthur Aguirre | 11 | Step son | — | Arizona |
| 63 | Fred Aguirre | 8 | Step son | — | California |
| 64 | Jesus Alarcom | 30 | Head | Laborer | Mexico |
| 65 | Reyes Alarcom | 25 | Wife-H | — | Mexico |
| 66 | Lidia Alarcom | 7 | Daughter | — | California |
| 67 | Felipa Alarcom | 5 | Daughter | — | California |
| 68 | Jose Alarcom | 0 | Son | — | California |
| 69 | Refuego Lopez | 45 | Head | Laborer | Mexico |
| 70 | Juana Lopez | 44 | Wife-H | — | Mexico |
| 71 | Juana Lopez | 24 | Daughter | — | Mexico |
| 72 | Lawrence Lopez | 22 | Son | Laborer | Mexico |
| 73 | Tossa Lopez | 20 | Daughter | Laborer | Mexico |
| 74 | Carmen Lopez | 18 | Daughter | Laborer | Mexico |
| 75 | Jesus Lopez | 12 | Son | — | Mexico |
| 76 | Refuego Lopez | 10 | Daughter | — | Arizona |
| 77 | Guadalupe Lopez | 8 | Son | — | California |
| 78 | Maria Lopez THIS PERSON | 6 | Daughter | — | Arizona |
| 79 | Consuelo Lopez | 3 | Daughter | — | California |
| 80 | Amparo Lopez | 1 | Daughter | — | California |
| 81 | Christina Ochoa | 52 | Head | — | Mexico |
| 82 | Concepcion Ochoa | 32 | Son | Laborer | Mexico |
| 83 | Concepcion Ochoa | 29 | Daughter-in-law | — | Mexico |
| 84 | Valta Ochoa | 3 | Granddaughter | — | California |
| 85 | Eva Ochoa | 2 | Granddaughter | — | California |
| 86 | Robert Ochoa | 35 | Son | Laborer | Mexico |
| 87 | Leonora Ochoa | 10 | Granddaughter | — | Arizona |
| 88 | Raymond Ochoa | 40 | Son | Laborer | Mexico |
| 89 | Yea Ochoa | 37 | Son | Laborer | Mexico |
| 90 | Benito Ochoa | 33 | Son | Laborer | Mexico |
| 91 | Eleceo Soto | 23 | Head | Laborer | Mexico |
| 92 | Alfonso Reyes | 29 | Lodger | Laborer | Mexico |
| 93 | Conrado Lara | 28 | Head | Laborer | Mexico |
| 94 | Eloisa Lara | 27 | Wife-H | — | Mexico |
| 95 | Maria Lara | 6 | Daughter | — | California |
| 96 | Atustina Lara | 2 | Daughter | — | California |
| 97 | Nicklas Lara | 27 | Brother | Laborer | Mexico |
| 98 | Juan Perez | 19 | Head | Laborer | California |
| 99 | Frank Reyes | 20 | Lodger | Laborer | Arizona |
| 100 | Santos Artiaga | 35 | Head | Laborer | 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)