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Manuel Martinez — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Manuel Martinez across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Jose & Magdaleno — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Mexico
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mexico |
| 1935 Residence (City) | No. Hollywood |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Dorm laborer |
| Industry | Misc. |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 250 |
| Highest Grade | No 3 |
| 1935 Residence | California |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
| Occupation | Dorm Laborer |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Oreliano Martinez | Head | — | 55 | ~1885 |
| Sarah Martinez | Daughter | — | 5 | ~1935 |
| Elizabeth Martinez | Daughter | — | 3 | ~1937 |
| Josephine Martinez | Daughter | — | 19 | ~1921 |
| Felicites Martinez | Daughter | — | 13 | ~1927 |
| Manuel Martinez | Son | — | 21 | ~1919 |
| Regent Martinez | Son | — | 15 | ~1925 |
| David Martinez | Son | — | 10 | ~1930 |
| Ruth Martinez | Spouse | — | 45 | ~1895 |
| Julio Martinez | Son | — | 11 | ~1929 |
Census Appearances
1920
Yavapai, Arizona
Son, age 1
Yavapai, Arizona · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Mexico |
| Year of Immigration | 1918 |
| Naturalization Status | Alien |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Speaks English | No |
| Mother Tongue | Spanish |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
1930
Los Angeles, …
Son, age 12
Los Angeles, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Mexico |
| Naturalization Status | Alien |
| Year of Immigration | 1919 |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Occupation | Laborer |
| Industry | Telephone Line |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Spanish |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
1940
Los-Angeles-County, California
Son, age 21
Los-Angeles-County, California · implied b. ~1919 — 10 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mexico |
| 1935 Residence (City) | No. Hollywood |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Alien |
| Occupation | Dorm laborer |
| Industry | Misc. |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 250 |
| Highest Grade | No 3 |
| 1935 Residence | California |
| Birth Country | Mexico |
| Birthplace (normalized) | 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 Manuel Martinez across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Jose Martinez (~0.92 confidence) and father Magdaleno Martinez (~0.92 confidence) and father Oreliano Martinez (~0.92 confidence) and mother Eusebia Martinez (~0.92 confidence) and mother Julia Martinez (~0.92 confidence) and mother Ruth Martinez (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jose Martinez
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Magdaleno Martinez
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Oreliano Martinez
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Eusebia Martinez
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Julia Martinez
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Ruth Martinez
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Sarah Martinez
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Martinez
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regent Martinez
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Felicites Martinez
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julio Martinez
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martinez
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martinez
Sibling · 1940 · age 3
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00374-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rita Ramirez | 4 | Daughter | — | California |
| 2 | Joe Mungia | 35 | Head | Laborer | California |
| 3 | Pascuala Mungia | 32 | Wife | — | California |
| 4 | Rosa M. Mungia | 11 | Daughter | — | California |
| 5 | Virginia Mungia | 6 | Daughter | — | California |
| 6 | Manuel Mungia | 2 | Son | — | California |
| 8 | Maria P. Garcia | 62 | Head | — | California |
| 9 | Norberto Sanchez | 31 | Head | Laborer | Arizona |
| 10 | Olympia Sanchez | 27 | Wife | — | California |
| 11 | Soloria Sanchez | 1 | Daughter | — | California |
| 12 | Oreliano Martinez | 55 | Head | Laborer | Mexico |
| 13 | Ruth Martinez | 45 | Wife | — | Mexico |
| 14 | Manuel Martinez THIS PERSON | 21 | Son | Dorm Laborer | Mexico |
| 15 | Josephine Martinez | 19 | Daughter | New Worker | Texas |
| 16 | Regent Martinez | 15 | Son | — | California |
| 17 | Felicites Martinez | 13 | Daughter | — | California |
| 18 | Julio Martinez | 11 | Son | — | California |
| 19 | David Martinez | 10 | Son | — | California |
| 20 | Sarah Martinez | 5 | Daughter | — | California |
| 21 | Elizabeth Martinez | 3 | Daughter | — | California |
| 23 | Jesus Hernandez | 44 | Head | Proprietor | Mexico |
| 24 | Silurcia Hernandez | 35 | Wife | — | Mexico |
| 25 | Benepin Martinez | 41 | Head | Laborer | Mexico |
| 26 | Consuela Martinez | 38 | Wife | — | Mexico |
| 27 | Mattias Martinez | 14 | Son | — | California |
| 28 | Uselio Martinez | 11 | Son | — | California |
| 29 | Ramona Martinez | 9 | Daughter | — | California |
| 30 | Miguel Martinez | 9 | Son | — | California |
| 31 | Daniel Martinez | 2 | Son | — | California |
| 32 | Sammy Monreal | 46 | Head | Laborer | Mexico |
| 33 | Elvira Monreal | 43 | Wife | — | Mexico |
| 34 | Rodolfo Monreal | 7 | Son | — | California |
| 35 | Walter Prenday | 29 | Head | Laborer | Texas |
| 36 | Nila Prenday | 31 | Wife | — | Texas |
| 37 | Alicia Prenday | 9 | Daughter | — | California |
| 38 | Lupe Prenday | 8 | Daughter | — | California |
| 39 | Priscilla Prenday | 7 | Daughter | — | California |
| 40 | Gloria Prenday | 5 | Daughter | — | California |
Pedigree Summary
Manuel + 7 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)