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Maria Lopez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Taos-County, New Mexico
Our Model Tree links this Maria Lopez across the 1930 and 1940 US Censuses in Taos-County, New Mexico (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: New Mexico
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Taos-County, New Mexico |
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Peñasco, New Mexico |
| 1935 Residence (County) | Taos |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Peasco New Mexico |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Matilde Lopez | Spouse | — | 30 | ~1910 |
| Virginia Lopez | Daughter | — | 16 | ~1924 |
| Orlando Lopez | Son | — | 3 | ~1937 |
| Norman Lopez | Son | — | 1 | ~1939 |
| Maria Lopez | Daughter | — | 11 | ~1929 |
| Petretia Lopez | Daughter | — | 15 | ~1925 |
| Dora Lopez | Daughter | — | 6 | ~1934 |
| Nicasio Lopez | Head | — | 40 | ~1900 |
Census Appearances
1930
Taos, New …
Daughter, age 2
Taos, New Mexico · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lopez |
| Given Name | Maria S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Taos-County, New …
Daughter, age 11
Taos-County, New Mexico · implied b. ~1929 — 8 household members
| Surname | Lopez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Peñasco, New Mexico |
| 1935 Residence (County) | Taos |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 · 1940 · age 11 · b. ~1929 · New Mexico
★ You are viewing this record
Sibling
Petretia Lopez
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Lopez
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Lopez
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orlando Lopez
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Lopez
Sibling · 1940 · age 16
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
1940 US Federal Census — Taos-County, New Mexico
Open full size
1940 US Federal Census — Taos-County, New Mexico
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02454-00292)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Benito Roybal | 68 | Head | Proprietor | New Mexico |
| 42 | Ruperta L. Roybal | 34 | Wife | — | New Mexico |
| 43 | Rafaelita Roybal | 14 | Daughter | — | New Mexico |
| 44 | Benito Roybal | 13 | Son | — | New Mexico |
| 45 | Rutena Roybal | 11 | Daughter | — | New Mexico |
| 46 | Teodoro Roybal | 7 | Son | — | New Mexico |
| 47 | Ida Roybal | 9 | Daughter | — | New Mexico |
| 48 | Gerson Roybal | 4 | Son | — | New Mexico |
| 49 | Elisinda Roybal | 2 | Daughter | — | New Mexico |
| 50 | Nicasio Lopez | 40 | Head | Laborer | New Mexico |
| 51 | Matilde G. Lopez | 30 | Wife | Farmer | New Mexico |
| 52 | Virginia Lopez | 16 | Daughter | — | New Mexico |
| 53 | Petretia Lopez | 15 | Daughter | — | New Mexico |
| 54 | Maria Lopez THIS PERSON | 11 | Daughter | — | New Mexico |
| 55 | Dora Lopez | 6 | Daughter | — | New Mexico |
| 56 | Orlando Lopez | 3 | Son | — | New Mexico |
| 57 | Norman C. Lopez | 1 | Son | — | New Mexico |
| 58 | Polito Gonzales | 32 | Head | Common Laborer | New Mexico |
| 59 | Flora A. Gonzales | 24 | Wife | — | New Mexico |
| 60 | Amarante Arellano | 65 | Head | Laborer | New Mexico |
| 61 | Emilia Arellano | 55 | Wife | — | New Mexico |
| 62 | Apolonio Arellano | 18 | Son | Laborer | New Mexico |
| 63 | Nacario Arellano | 17 | Son | Common Laborer | New Mexico |
| 64 | Samuel Arellano | 11 | Son | — | New Mexico |
| 65 | Gregorio Tafoya | 47 | Head | Laborer | New Mexico |
| 66 | Matilde Tafoya | 45 | Wife | — | New Mexico |
| 67 | Inez Jose Tafoya | 18 | Son | Laborer | New Mexico |
| 68 | Cornelio Tafoya | 16 | Son | — | New Mexico |
| 69 | Maggie Tafoya | 14 | Daughter | — | New Mexico |
| 70 | Teresa Tafoya | 9 | Daughter | — | New Mexico |
| 71 | Orlando Jose Tafoya | 7 | Son | — | New Mexico |
| 72 | Luis Tafoya | 5 | Son | — | New Mexico |
| 73 | Maria Tafoya | 25 | Daughter | Housekeeper | New Mexico |
| 74 | Barolin Tafoya | 3 | Son | — | New Mexico |
| 75 | Rosita Tafoya | 1 | Daughter | — | New Mexico |
| 76 | Victoria Lujan | 72 | Mother | — | New Mexico |
| 77 | Fidel Martinez | 27 | Head | Laborer | New Mexico |
| 78 | Virginia Martinez | 24 | Wife | — | New Mexico |
| 79 | Frances Martinez | 4 | Daughter | — | New Mexico |
| 80 | Jose Chacon | 50 | Head | Laborer Wpa | New Mexico |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)