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Mary Martinez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Otero-County, Colorado
Our Model Tree links this Mary Martinez across the 1930 and 1940 US Censuses in Otero-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Otero-County, Colorado |
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Manzanola |
| 1935 Residence (County) | Otero |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Manzanola |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joe Ortego | Other | — | 1 | ~1939 |
| Mary Martinez | Daughter | — | 10 | ~1930 |
| Olive Martinez | Daughter | — | 16 | ~1924 |
| Bonnie Martinez | Son | — | 19 | ~1921 |
| Ernestine Ortego | Other | — | 9 | ~1931 |
| Sophia Martinez | Spouse | — | 54 | ~1886 |
| Johnie Martinez | Son | — | 14 | ~1926 |
| Paul Martinez | Son | — | 33 | ~1907 |
| Camilio Martinez | Head | — | 58 | ~1882 |
Census Appearances
1930
Otero, Colorado
Daughter, age
Otero, Colorado · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Age at First Marriage | W |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | No |
| Home Owned/Rented | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Otero-County, Colorado
Daughter, age 10
Otero-County, Colorado · implied b. ~1930 — 9 household members
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Manzanola |
| 1935 Residence (County) | Otero |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 Mary Martinez across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Martinez
Daughter · 1940 · age 10 · b. ~1930 · Colorado
★ You are viewing this record
Sibling
Paul Martinez
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olive Martinez
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnie Martinez
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Martinez
Sibling · 1940 · 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
1940 US Federal Census — Otero-County, Colorado
Open full size
1940 US Federal Census — Otero-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00473-00616)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marjory Barnett | 8 | daughter | — | Colorado |
| 42 | Shirley Barnett | 4 | son | — | Colorado |
| 43 | Kate D. Oleary | 71 | Head | — | Germany |
| 44 | Neal D. Hardin | 78 | Head | — | Texas |
| 45 | Peter J. Paugh | 54 | Head | General Labor | Illinois |
| 46 | Mary E. Paugh | 49 | wife | — | Nebraska |
| 47 | Howard Paugh | 22 | son | General Labor | Nebraska |
| 48 | Herbert Paugh | 20 | son | Waiter | Nebraska |
| 49 | Marvel Paugh | 17 | daughter | Waitress | Nebraska |
| 50 | Lola Paugh | 15 | daughter | — | Colorado |
| 51 | Dick Paugh | 11 | son | — | Colorado |
| 52 | Durrell Paugh | 10 | son | — | Colorado |
| 53 | Johnnie Paugh | 7 | son | — | Colorado |
| 54 | Clarence Mcdowell | 33 | Head | Truck Driver | Kentucky |
| 55 | Margaret Mcdowell | 28 | wife | General Labor | Indiana |
| 56 | Sharon Mcdowell | 7 | daughter | — | Colorado |
| 57 | Rosemary Mcdowell | 5 | daughter | — | Colorado |
| 58 | Myrtle Wiley | 56 | Mother | General Labor | Indiana |
| 59 | Pat Martinez | 29 | Head | General Labor | New Mexico |
| 60 | Rosie Q. Martinez | 29 | wife | — | New Mexico |
| 61 | Roger Martinez | 5 | son | — | New Mexico |
| 62 | Pauline Martinez | 3 | daughter | — | Colorado |
| 63 | Leroy Martinez | 1 | son | — | Colorado |
| 64 | Camilio Martinez | 58 | Head | Road Work | New Mexico |
| 65 | Sophia Martinez | 54 | wife | — | New Mexico |
| 66 | Paul Martinez | 33 | son | — | New Mexico |
| 67 | Bonnie Martinez | 19 | son | — | New Mexico |
| 68 | Olive Martinez | 16 | daughter | Field Work | Colorado |
| 69 | Johnie Martinez | 14 | son | New Worker | Colorado |
| 70 | Mary Martinez THIS PERSON | 10 | daughter | — | Colorado |
| 71 | Ernestine Ortego | 9 | granddaughter | — | Colorado |
| 72 | Joe Ortego | 1 | grandson | — | Colorado |
| 73 | Clyde A. Blakley | 54 | Head | General Labor | Nebraska |
| 74 | Ellie Q. Blakley | 45 | wife | General Labor | Kansas |
| 75 | Irene Blakley | 18 | daughter | — | Colorado |
| 76 | Earnest Kretzer | 57 | Head | Plasterer | Missouri |
| 77 | Alice E. Kretzer | 38 | wife | General Labor | Alabama |
| 78 | Berry Kretzer | 57 | Mother-in-law | — | Alabama |
| 79 | Clyde Carl Ratliff | 24 | Head | Crane Operator | Colorado |
| 80 | Marie L. Ratliff | 21 | wife | — | Kansas |
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)