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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 Josefa — first a son (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Male
Son
Born: Spain
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 | 54 |
| Marital Status | Single |
| Birthplace | Spain |
| 1935 Residence (City) | E. Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale Chocolate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 278 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Spain |
| Birthplace (normalized) | spain |
| Occupation | Salesman |
| Township / Ward | E Los Angeles |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Josefa Martinez | Head | — | 82 | ~1858 |
| Frank Martinez | Son | — | 58 | ~1882 |
| Louis Martinez | Son | — | 56 | ~1884 |
| Manuel Martinez | Son | — | 54 | ~1886 |
Census Appearances
1920
Kings, New …
Other, age 32
Kings, New York · implied b. ~1888 — 38 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Spain |
| Year of Immigration | 1918 |
| Naturalization Status | Alien |
| Father's Birthplace | Spain |
| Mother's Birthplace | Spain |
| Occupation | Laborer |
| Industry | Shipyards |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Spanish |
| Birth Country | Spain |
| Birthplace (normalized) | spain |
1930
Los Angeles, …
Son, age 43
Los Angeles, California · implied b. ~1887 — 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 | 43 |
| Marital Status | Single |
| Birthplace | Spain |
| Naturalization Status | Alien |
| Year of Immigration | 1917 |
| Father's Birthplace | Spain |
| Mother's Birthplace | Spain |
| Occupation | Salesman |
| Industry | Fruit Store |
| Class of Worker | W |
| Can Read/Write | No |
| Mother Tongue | Spanish |
| Veteran | No |
| Birth Country | Spain |
| Birthplace (normalized) | spain |
1940
Los-Angeles-County, California
Son, age 54
Los-Angeles-County, California · implied b. ~1886 — 4 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Spain |
| 1935 Residence (City) | E. Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Alien |
| Occupation | Salesman |
| Industry | Wholesale Chocolate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 278 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Spain |
| Birthplace (normalized) | spain |
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: mother Josefa Martinez (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Josefa Martinez
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1940 · age 54 · b. ~1886 · California
★ You are viewing this record
Sibling
Frank Martinez
Sibling · 1940 · age 58
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Martinez
Sibling · 1940 · age 56
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
40 people indexed on this census page (nara:1940:m-t0627-00238-00257)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Guadalupe Munguia | 27 | Head | — | Mexico |
| 2 | Rafael Munguia | 10 | son | — | California |
| 3 | Alfonso Munguia | 9 | son | — | California |
| 4 | Rose Maria Munguia | 1 | daughter | — | California |
| 5 | Alicia Fuentes | 14 | daughter | — | California |
| 6 | Jose Arellanes | 48 | brother | Truck Driver | Mexico |
| 7 | Silverio Lopez | 74 | Head | — | Mexico |
| 8 | Marcelina Lopez | 62 | wife | — | Mexico |
| 9 | Adelaida Lopez | 36 | daughter | Presser | Mexico |
| 10 | Carmen Lopez | 29 | daughter | — | Mexico |
| 11 | Soledad Ruiz | 27 | daughter | Maker | Mexico |
| 12 | Longinus Ruiz | 45 | son-in-law | Laborer | Mexico |
| 13 | Rafael Zendejas | 42 | Head | Laborer | Mexico |
| 14 | Henrietta Zendejas | 36 | wife | Seamstress | Arizona |
| 15 | Josephine Toleno | 45 | aunt | Seamstress | Mexico |
| 16 | Gwen Newton | 41 | Head | — | California |
| 17 | Carl Newton | 18 | son | — | California |
| 18 | Edward M. Denton | 78 | father | — | California |
| 19 | William Abbott | 78 | Head | — | Iowa |
| 20 | Lillie R. Abbott | 72 | wife | — | Iowa |
| 21 | Josefa R. Martinez | 82 | Head | — | Spain |
| 22 | Frank Martinez | 58 | son | — | Spain |
| 23 | Louis Martinez | 56 | son | — | Spain |
| 24 | Manuel Martinez THIS PERSON | 54 | son | Salesman | Spain |
| 25 | George Acosta | 31 | Head | Assembler | California |
| 26 | Concepcion Acosta | 24 | wife | — | Mexico |
| 27 | George Jr. Acosta | 6 | son | — | California |
| 28 | Edward Acosta | 2 | son | — | California |
| 29 | Eleanor Gonzalez | 14 | niece | — | California |
| 30 | Lilia Dominguez | 7 | niece | — | Texas |
| 31 | Rudolpho Carella | 24 | Head | Laborer | California |
| 32 | Adella Carella | 24 | sister | — | California |
| 33 | Minnie Coronado | 33 | sister | — | California |
| 34 | Maria Ramirez | 62 | Head | — | Mexico |
| 35 | Carl Ertten | 39 | Head | Electrical Engineer | Indiana |
| 36 | Maria Ertten | 37 | wife | — | Mexico |
| 37 | Carlos Ertten | 8 | son | — | Mexico |
| 38 | William Ertten | 7 | son | — | Mexico |
| 39 | Catalino Salcido | 49 | Head | Ironer | Mexico |
| 40 | Concha Salcido | 39 | wife | Ironer | Mexico |
Pedigree Summary
Manuel + 2 siblings
Gen 1 · 1 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)