MR
Mary Robbins — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mendocino, California
Our Model Tree links this Mary Robbins across the 1910 and 1920 US Censuses in Mendocino, California (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 10-person household.
Age 33
b. ~1887
Female
Spouse
Born: Nebraska
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mendocino, California |
| Surname | Robbins |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Round Valley Township Independent Precinct |
| Est. Birth Year | ~1887 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lucy Robbins | Daughter | — | 12 | ~1908 |
| Viola Robbins | Daughter | — | 2 | ~1918 |
| Samuel Robbins | Head | — | 41 | ~1879 |
| Myrtle Robbins | Daughter | — | 8 | ~1912 |
| Milton Robbins | Son | — | 10 | ~1910 |
| Richard Robbins | Son | — | 14 | ~1906 |
| Mary Robbins | Spouse | — | 33 | ~1887 |
| Gertie Robbins | Daughter | — | 6 | ~1914 |
| Theodore Robbins | Son | — | 1 | ~1919 |
| Eva Robbins | Daughter | — | 4 | ~1916 |
Census Appearances
1910
Mendocino, California
Spouse, age 24
Mendocino, California · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | Maude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Years Married | 5 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Mendocino, California
Spouse, age 33
Mendocino, California · implied b. ~1887 — 10 household members
| Surname | Robbins |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Robbins across 2 US Census years (1910 and 1920) in Mendocino, California, using XGBoost record linkage.
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This person
Anchor record
Mary Robbins
Spouse · 1920 · age 33 · b. ~1887 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Mendocino, California
Open full size
1920 US Federal Census — Mendocino, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu121unit:0271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry H. Beard | 46 | Head | Stock Raiser | Missouri |
| 2 | Etha M. Beard | 11 | Son | — | California |
| 3 | Lela M. Beard | 10 | Daughter | — | California |
| 4 | Madeline M. Beard | 8 | Daughter | — | California |
| 5 | Jean E. Beard | 5 | Daughter | — | California |
| 6 | Leith A. Beard | 2 | Daughter | — | California |
| 7 | Amelia M. Moore | 47 | Domestic | Housekeeper | Indiana |
| 8 | Samuel P. Robbins | 41 | Head | Laborer | Arizona |
| 9 | Mary J. Robbins THIS PERSON | 33 | Wife | — | Nebraska |
| 10 | Richard H. Robbins | 14 | Son | — | California |
| 11 | Milton J. Robbins | 10 | Son | — | California |
| 12 | Lucy A. Robbins | 12 | Daughter | — | California |
| 13 | Myrtle G. Robbins | 8 | Daughter | — | California |
| 14 | Gertie L. Robbins | 6 | Daughter | — | California |
| 15 | Eva Robbins | 4 | Daughter | — | California |
| 16 | Viola I. Robbins | 2 | Daughter | — | California |
| 17 | Theodore H. Robbins | 1 | Son | — | California |
| 18 | William A. Johnson | 44 | Head | Farmer | Utah |
| 19 | Frances Johnson | 34 | Wife | — | California |
| 20 | William T. Johnson | 16 | Son | — | California |
| 21 | Victor A. Johnson | 14 | Son | — | California |
| 22 | Vera L. Johnson | 12 | Daughter | — | California |
| 23 | Oral L. Johnson | 7 | Son | — | California |
| 24 | Florence J. Johnson | 4 | Daughter | — | California |
| 25 | Hazel Johnson | 2 | Daughter | — | California |
| 26 | Vera Johnson | 1 | Daughter | — | California |
| 27 | Charles S. Johnson | 46 | Head | Farmer | Utah |
| 28 | Anna B. Johnson | 38 | Wife | — | California |
| 29 | Edna B. Johnson | 12 | Daughter | — | California |
| 30 | Blanche L. Johnson | 10 | Daughter | — | California |
| 31 | Mildred M. Johnson | 3 | Daughter | — | California |
| 32 | John Clark | 55 | Head | Farmer | England |
| 33 | Robert Hacker | 35 | Head | Farmer | California |
| 34 | Elizabeth Hacker | 34 | Wife | — | Sweden |
| 35 | Edwina Hacker | 3 | Daughter | — | California |
| 36 | Adolph Olson | 62 | Head | — | Sweden |
| 37 | Nellie Olson | 25 | Sister-in-law | — | California |
| 38 | Hugo F. Roediger | 46 | Head | Farmer | California |
| 39 | Otto Johnson | 49 | Head | Farmer | Sweden |
| 40 | Hattie Johnson | 44 | Wife | — | California |
| 41 | Zelma Johnson | 15 | Daughter | — | California |
| 42 | Earl W. Johnson | 13 | Son | — | California |
| 43 | Francis M. Johnson | 11 | Son | — | California |
| 44 | Gilbert Norris | 41 | Head | Farmer | California |
| 45 | Gladys Norris | 40 | Wife | — | California |
| 46 | Helen R. Norris | 11 | Daughter | — | California |
| 47 | Charles Norris | 7 | Son | — | California |
| 48 | William H. Norris | 56 | Head | Laborer | California |
| 49 | Leland A. Wood | 41 | Head | Domestic | Utah |
| 50 | Blanche M. Wood | 30 | Wife | — | Nebraska |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)