MM
Mary Martinez — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Martinez across the 1920 and 1930 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 7-person household.
Age 4
b. ~1916
Female
Daughter
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Los Angeles, California |
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Speaks English | Yes |
| Mother Tongue | Spanish |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Martinez | Daughter | — | 4 | ~1916 |
| Lina Martinez | Son | — | 13 | ~1907 |
| Enrique Martinez | Son | — | 8 | ~1912 |
| Mabel Martinez | Head | — | 33 | ~1887 |
| Antonia Martinez | Son | — | 2 | ~1918 |
| Francisco Martinez | Son | — | 6 | ~1914 |
| Amalina Martinez | Daughter | — | 10 | ~1910 |
Census Appearances
1920
Los Angeles, …
Daughter, age 4
Los Angeles, California · implied b. ~1916 — 7 household members
| Surname | Martinez |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Speaks English | Yes |
| Mother Tongue | Spanish |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Daughter, age 14
Los Angeles, California · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martine |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Los Angeles, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Martinez
Daughter · 1920 · age 4 · b. ~1916 · California
★ You are viewing this record
Sibling
Lina Martinez
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francisco Martinez
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Enrique Martinez
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amalina Martinez
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonia Martinez
Sibling · 1920 · age 2
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
1920 US Federal Census — Los Angeles, California
Open full size
1920 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu114unit:0915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Cousimano | 10 | Daughter | — | California |
| 2 | Charles Anell | 35 | Head | Auto Mechanic | United States |
| 3 | Mabel Anell | 13 | Daughter | — | Texas |
| 4 | May Anell | 10 | Daughter | — | California |
| 5 | Mabel Martinez | 33 | Head | — | Mexico |
| 6 | Lina Martinez | 13 | Son | — | Mexico |
| 7 | Amalina Martinez | 10 | Daughter | — | Mexico |
| 8 | Enrique Martinez | 8 | Son | — | California |
| 9 | Francisco Martinez | 6 | Son | — | California |
| 10 | Mary Martinez THIS PERSON | 4 | Daughter | — | California |
| 11 | Antonia Martinez | 2 | Son | — | California |
| 12 | Manuel Robles | 55 | Head | Watchman | Mexico |
| 13 | Pete Barbato | 39 | Head | Laborer | Italy |
| 14 | Fene Barbato | 34 | Wife | — | Italy |
| 15 | Josie Barbato | 13 | Daughter | — | Italy |
| 16 | Annie Barbato | 9 | Daughter | — | Italy |
| 17 | Basel Barbato | 6 | Son | — | California |
| 18 | Frances Barbato | 4 | Daughter | — | California |
| 19 | Carlo Barbato | 3 | Son | — | California |
| 20 | Virginia Barbato | 1 | Daughter | — | California |
| 21 | George Mandela | 37 | Boarder | Laborer | Italy |
| 22 | Wesley P Tindale | 60 | Head | Proprietor | Illinois |
| 23 | Lela M Tindale | 54 | Wife | — | Mississippi |
| 24 | Mary Bush | 60 | Boarder | — | Maryland |
| 25 | John Sancetta | 33 | Head | Laborer | Italy |
| 26 | Frances Sancetta | 31 | Wife | — | Italy |
| 27 | Josie Sancetta | 13 | Daughter | — | California |
| 28 | Jeffie Sancetta | 12 | Daughter | — | California |
| 29 | Tony Sancetta | 10 | Son | — | California |
| 30 | Sam Sancetta | 7 | Son | — | California |
| 31 | Pete Sancetta | 5 | Son | — | California |
| 32 | Victoria Sancetta | 2 | Daughter | — | California |
| 33 | Anna Thompson | 51 | Head | — | Georgia |
| 34 | Hazel Thompson | 17 | Daughter | — | Georgia |
| 35 | Ruth Thompson | 15 | Daughter | — | California |
| 36 | Abraham L Thompson | 12 | Son | — | California |
| 37 | Hugh Thompson | 8 | Son | — | California |
| 38 | Pedro Doussart | 51 | Head | No Occupation | France |
| 39 | Antonia Doussart | 42 | Wife | — | Spain |
| 40 | John Doussart | 19 | Son | Laborer | France |
| 41 | Susan Doussart | 13 | Son | — | Spain |
| 42 | Pancho Doussart | 7 | Son | — | California |
| 43 | Manuel Doussart | 20 | Lodger | — | Spain |
| 44 | Coulis Doussart | 23 | Lodger | — | New Mexico |
| 45 | Joe Doussart | 21 | Lodger | — | California |
| 46 | Fred Schultz | 62 | Head | Repairman | Maryland |
| 47 | Virginia Schultz | 62 | Wife | Housewife | California |
| 48 | James Schultz | 42 | Head | — | California |
| 49 | Mary Schultz | 38 | Wife | — | Canada |
| 50 | James Schultz | 12 | Son | — | California |
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)