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Mary Martinez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Adams, Colorado
Our Model Tree links this Mary Martinez across the 1920 and 1930 US Censuses in Adams, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Female
Daughter
Born: New Mexico
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Adams, Colorado |
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Brighton City |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Martinez | Head | — | 43 | ~1887 |
| Stella Martinez | Daughter | — | 3 | ~1927 |
| Alice Martinez | Daughter | — | 8 | ~1922 |
| Alfred Martinez | Son | — | 19 | ~1911 |
| Margaret Martinez | Other | — | 40 | ~1890 |
| Mary Martinez | Daughter | — | 12 | ~1918 |
| Amos Martinez | Daughter | — | 1 | ~1929 |
| Anne Martinez | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Adams, Colorado
Daughter, age 3
Adams, Colorado · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Can Read | No |
| Can Write | No |
| Mother Tongue | Spanish |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1930
Adams, Colorado
Daughter, age 12
Adams, Colorado · implied b. ~1918 — 8 household members
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Mary Martinez across 2 US Census years (1920 and 1930) in Adams, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Martinez
Daughter · 1930 · age 12 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Stella Martinez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Martinez
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Martinez
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Martinez
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Martinez
Sibling · 1930 · age 19
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 — Adams, Colorado
Open full size
1930 US Federal Census — Adams, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus229unit:0411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Antony Trujillo | 46 | Head | Laborer | Colorado |
| 52 | Cresencia Trujillo | 38 | Wife-H | — | Colorado |
| 53 | Delia Trujillo | 9 | daughter | — | Colorado |
| 54 | Jose S. Romero | 50 | Head | Laborer | Colorado |
| 55 | Pabla Romero | 45 | Wife-H | — | Colorado |
| 56 | John Romero | 17 | son | Laborer | Colorado |
| 57 | Amelia Romero | 15 | daughter | None | Colorado |
| 58 | Fred Romero | 12 | son | None | Colorado |
| 59 | Joe Romero | 10 | son | None | Colorado |
| 60 | Johnny Romero | 9 | son | None | Colorado |
| 61 | Rosie Romero | 5 | daughter | None | Colorado |
| 62 | James Romero | 4 | son | None | Colorado |
| 63 | Stella Romero | 0 | daughter | None | Colorado |
| 64 | J. S. Montano | 57 | Head | Laborer | New Mexico |
| 65 | Mary Montano | 52 | Wife H | None | New Mexico |
| 66 | Ray Montano | 20 | son | Laborer | New Mexico |
| 67 | Estella Montano | 18 | daughter | Laborer | New Mexico |
| 68 | Anne Montano | 14 | daughter | None | New Mexico |
| 69 | Leo Montano | 12 | son | None | New Mexico |
| 70 | John Martinez | 43 | Head | Laborer | New Mexico |
| 71 | Margaret Martinez | 40 | Wife-H | None | New Mexico |
| 72 | Alfred Martinez | 19 | son | Laborer | New Mexico |
| 73 | Anne Martinez | 15 | daughter | Laborer | New Mexico |
| 74 | Mary Martinez THIS PERSON | 12 | daughter | None | New Mexico |
| 75 | Alice Martinez | 8 | daughter | None | Colorado |
| 76 | Stella Martinez | 3 | daughter | None | Colorado |
| 77 | Amos Martinez | 1 | daughter | None | Wyoming |
| 78 | Taborio Tafoya | 43 | Head | Miner | New Mexico |
| 79 | Cidul Tafoya | 45 | Wife-H | None | New Mexico |
| 80 | Theresa Tafoya | 73 | Mother | None | New Mexico |
| 81 | Lenovia Gonzales | 40 | Head-H | Laborer | Mexico |
| 82 | Carlos Morales | 60 | Head | Laborer | Mexico |
| 83 | Josefina Morales | 45 | Wife-H | Laborer | Mexico |
| 84 | Ernest Morales | 25 | son | Laborer | Mexico |
| 85 | Josefina Morales | 16 | daughter | None | Colorado |
| 86 | Victoria Morales | 13 | daughter | None | Colorado |
| 87 | Mary Greenwalt | 41 | Head | Social Worker | Kansas |
| 88 | Clement Refugio | 40 | Head | Laborer | Mexico |
| 89 | Christina Refugio | 32 | Wife-H | Laborer | Mexico |
| 90 | Guadalupe Refugio | 17 | daughter | Laborer | Mexico |
| 91 | Antonio Refugio | 18 | son | Laborer | Mexico |
| 92 | Margaret Refugio | 9 | daughter | None | Mexico |
| 93 | Paul Refugio | 7 | son | None | Mexico |
| 94 | Frank Refugio | 6 | son | None | Mexico |
| 95 | Eliza Refugio | 5 | daughter | None | Colorado |
| 96 | Andrea Alcala | 47 | Head-H | Laborer | Mexico |
| 97 | Frank Alcala | 18 | son | Laborer | Mexico |
| 98 | Joe Alcala | 14 | son | None | Mexico |
| 99 | Fred Alcala | 12 | son | None | Mexico |
| 100 | Mike Rodriguez | 46 | 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)