MK
Mary Keller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Otero, Colorado
Our Model Tree links this Mary Keller across the 1920 and 1930 US Censuses in Otero, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 12-person household.
Age 46
b. ~1884
Female
Spouse
Born: Russia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Otero, Colorado |
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1903 |
| Age at First Marriage | 19 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Precinct 25 East Unincorporated Place |
| Est. Birth Year | ~1884 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Keller | Daughter | — | ~1930 | |
| Elsie Keller | Daughter | — | 3 | ~1927 |
| Martha Keller | Daughter | — | 18 | ~1912 |
| Minnie Keller | Daughter | — | 16 | ~1914 |
| Leah Keller | Daughter | — | 11 | ~1919 |
| Lola Keller | Daughter | — | 5 | ~1925 |
| Rachel Keller | Daughter | — | 9 | ~1921 |
| John Keller | Head | — | 47 | ~1883 |
| John Keller | Son | — | 23 | ~1907 |
| Henry Keller | Son | — | 7 | ~1923 |
| David Keller | Son | — | 11 | ~1919 |
| Mary Keller | Spouse | — | 46 | ~1884 |
Census Appearances
1920
Otero, Colorado
Spouse, age 35
Otero, Colorado · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | russia |
1930
Otero, Colorado
Spouse, age 46
Otero, Colorado · implied b. ~1884 — 12 household members
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1903 |
| Age at First Marriage | 19 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Keller across 2 US Census years (1920 and 1930) in Otero, Colorado, using XGBoost record linkage.
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This person
Anchor record
Mary Keller
Spouse · 1930 · age 46 · b. ~1884 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Otero, Colorado
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1930 US Federal Census — Otero, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus248unit:0489)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William A. Bereden | 45 | Head | Farmer | Oklahoma |
| 52 | Rhoda Bereden | 38 | Wife | — | Missouri |
| 53 | Cleathen W. Bereden | 18 | Son | Laborer | Missouri |
| 54 | Isaac C. Bereden | 16 | Son | — | Oklahoma |
| 55 | Claude E. Bereden | 13 | Son | — | Oklahoma |
| 56 | Claude H. Gee | 55 | Head | Farmer | Kansas |
| 57 | Madie W. Gee | 36 | Wife | — | Missouri |
| 58 | Gerald L. Gee | 15 | Son | — | Missouri |
| 59 | Violet M. Gee | 7 | Daughter | — | Missouri |
| 60 | Josie Gee | 5 | Daughter | — | Missouri |
| 61 | Fillmore S. Gee | 76 | Mother | — | Kentucky |
| 62 | Eugene C. Shaw | 67 | Head | Farmer | Iowa |
| 63 | Tony Cassaraz | 41 | Head | Laborer | Italy |
| 64 | Abina Cassaraz | 29 | Wife | — | New Mexico |
| 65 | Isador Cassaraz | 16 | Son | — | Colorado |
| 66 | Bonnie Cassaraz | 11 | Daughter | — | Colorado |
| 67 | Melvin Cassaraz | 9 | Son | — | Colorado |
| 68 | Robert Cassaraz | 7 | Son | — | Colorado |
| 69 | Maria Perea | 50 | Mother-in-law | — | New Mexico |
| 70 | Jesus Mugarez | 34 | Head | Laborer | New Mexico |
| 71 | Ernestine Mugarez | 32 | Wife | — | New Mexico |
| 72 | Marie Mugarez | 1 | Daughter | — | New Mexico |
| 73 | John Keller | 47 | Head | Farmer | Russia |
| 74 | Mary Keller THIS PERSON | 46 | Wife | — | Russia |
| 75 | John Keller | 23 | Son | — | Colorado |
| 76 | Martha Keller | 18 | Daughter | — | Colorado |
| 77 | Minnie Keller | 16 | Daughter | — | Colorado |
| 78 | Leah Keller | 11 | Daughter | — | Colorado |
| 79 | David Keller | 11 | Son | — | Colorado |
| 80 | Rachel Keller | 9 | Daughter | — | Colorado |
| 81 | Henry Keller | 7 | Son | — | Nebraska |
| 82 | Lola Keller | 5 | Daughter | — | Nebraska |
| 83 | Elsie Keller | 3 | Daughter | — | Nebraska |
| 84 | Ruth Keller | 0 | Daughter | — | Colorado |
| 85 | John | 25 | Head | Laborer | Colorado |
| 86 | Mollie | 20 | Wife | — | Russia |
| 87 | Rose | 0 | Daughter | — | Colorado |
| 88 | Henry Liefert | 40 | Head | Farmer | Russia |
| 89 | Mollie Liefert | 34 | Wife | — | Russia |
| 90 | Robert Liefert | 14 | Son | — | Russia |
| 91 | Arnold Liefert | 11 | Son | — | Canada |
| 92 | Eileen Liefert | 5 | Daughter | — | Colorado |
| 93 | Arthur W. Muman | 22 | Head | Farmer | Colorado |
| 94 | Ethel Muman | 19 | Wife | — | Colorado |
| 95 | William G. Muman | 1 | Son | — | Colorado |
| 96 | Jerry J. Muman | 32 | Head | Laborer | Germany |
| 97 | Mollie R. Hagelt | 32 | Adpt. Daughter | — | Missouri |
| 98 | Lois K. Hagelt | 13 | Daughter | Laborer | Kansas |
| 99 | Hazel L. Hagelt | 9 | Daughter | — | Colorado |
| 100 | Junia E. Hagelt | 6 | Daughter | — | Colorado |
Related Census Records
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)