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Maria Lopez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Weld, Colorado
Our Model Tree links this Maria Lopez across the 1930 and 1940 US Censuses in Weld, Colorado (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 5
b. ~1925
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Weld, Colorado |
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Additional Details | |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Gilcrest Precinct 16 |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Jennie Lopez | Daughter | — | 12 | ~1918 |
| Frank Lopez | Head | — | 33 | ~1897 |
| Maria Lopez | Son | — | 5 | ~1925 |
| Ynes Lopez | Son | — | ~1930 | |
| Geneva Candelaria | Other | — | 55 | ~1875 |
| Martinez Lopez | Spouse | — | 30 | ~1900 |
| David Lopez | Son | — | 9 | ~1921 |
| Frank Lopez | Son | — | 3 | ~1927 |
| Augustine Lopez | Son | — | 11 | ~1919 |
| Edward Lopez | Son | — | 4 | ~1926 |
Census Appearances
1930
Weld, Colorado
Son, age 5
Weld, Colorado · implied b. ~1925 — 10 household members
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Weld-County, Colorado
Son, age 15
Weld-County, Colorado · implied b. ~1925 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Mario |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Weld |
| 1935 Residence (County) | Weld |
| Occupation | laborer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 250 |
| Highest Grade | No 6 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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
Son · 1930 · age 5 · b. ~1925 · Colorado
★ You are viewing this record
Sibling
Augustine Lopez
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lopez
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Lopez
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Lopez
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Lopez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ynes Lopez
Sibling · 1930 · age
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 — Weld, Colorado
Open full size
1930 US Federal Census — Weld, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus251unit:1077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estanislao Chavez | 60 | Head | Beet Labor | Mexico |
| 2 | Lupe Chavez | 44 | Wife | None | Old Mexico |
| 3 | Joe Chavez | 22 | Son | None | New Mexico |
| 4 | Mary Chavez | 19 | Daughter-in-law | None | New Mexico |
| 5 | Ben Chavez | 1 | Grandson | None | Colorado |
| 6 | Lupe Chavez | 0 | Granddaughter | None | Colorado |
| 7 | Andrew Chavez | 19 | Son | None | New Mexico |
| 8 | Domingo Chavez | 17 | Son | None | New Mexico |
| 9 | Josephine Chavez | 14 | Daughter | None | New Mexico |
| 10 | Emanuel Chavez | 12 | Son | None | New Mexico |
| 11 | Inez Chavez | 10 | Daughter | None | New Mexico |
| 12 | Jennie Chavez | 6 | Daughter | None | New Mexico |
| 13 | Lola Chavez | 4 | Daughter | None | Colorado |
| 14 | Frank Durani | 34 | Head | Beet Labor | New Mexico |
| 15 | Solona Durani | 24 | Wife | None | New Mexico |
| 16 | Paul Durani | 6 | Son | None | New Mexico |
| 17 | Alice Durani | 4 | Daughter | None | New Mexico |
| 18 | Dora Durani | 2 | Daughter | None | Colorado |
| 19 | Hilda Durani | 0 | Daughter | None | Colorado |
| 20 | Pete Durani | 20 | Cousin | Beet Labor | New Mexico |
| 21 | Adeline Durani | 19 | Wife | None | New Mexico |
| 22 | Frank Lopez | 33 | Head | Beet Labor | New Mexico |
| 23 | Martinez Lopez | 30 | Wife | None | New Mexico |
| 24 | Jennie Lopez | 12 | Daughter | None | New Mexico |
| 25 | Augustine Lopez | 11 | Son | None | New Mexico |
| 26 | David Lopez | 9 | Son | None | Colorado |
| 27 | Edward Lopez | 4 | Son | None | Colorado |
| 28 | Maria Lopez THIS PERSON | 5 | Son | None | Colorado |
| 29 | Frank Jr. Lopez | 3 | Son | None | Colorado |
| 30 | Ynes Lopez | 0 | Son | None | Colorado |
| 31 | Geneva Candelaria | 55 | Sister-in-law | None | New Mexico |
| 32 | Ames Lopez | 40 | Head | Beet Labor | Old Mexico |
| 33 | Arthur Lopez | 19 | Son | None | New Mexico |
| 34 | Tito Garcia | 24 | Son-in-law | Farm Labor | New Mexico |
| 35 | Santitos Garcia | 23 | Daughter | None | New Mexico |
| 36 | Tito Jr. Garcia | 1 | Grandson | None | Colorado |
| 37 | Paul Mesa | 26 | Son-in-law | Beet Labor | New Mexico |
| 38 | Feranda Mesa | 21 | Daughter | None | New Mexico |
| 39 | Paul Jr. Mesa | 1 | Grandson | None | Colorado |
| 40 | Emanuel Gonzales | 40 | Head | Beet Labor | New Mexico |
| 41 | Julia Gonzales | 55 | Wife | None | New Mexico |
| 42 | Tamarina Manuele | 23 | Daughter | None | New Mexico |
| 43 | Ezequiel Gonzales | 8 | Son | None | New Mexico |
| 44 | Esther Gonzales | 1 | Granddaughter | None | Colorado |
| 45 | Ben Benindez | 42 | Head | Beet Labor | New Mexico |
| 46 | Frances Benindez | 40 | Wife | None | New Mexico |
| 47 | Sajona Benindez | 21 | Son | None | New Mexico |
| 48 | John Benindez | 18 | Son | None | New Mexico |
| 49 | Joe Benindez | 10 | Son | None | Colorado |
| 50 | Frank Sanchez | 32 | Head | Farm Labor | New 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)