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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 Antonio & Juan — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: California
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 | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | El Monte Township |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 525 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Laborer |
| Township / Ward | El Monte Township |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Navia Martinez | Son | — | 14 | ~1926 |
| Ernest Amorisea | Other | — | 29 | ~1911 |
| Manuel Martinez | Son | — | 23 | ~1917 |
| Martina Martinez | Spouse | — | 54 | ~1886 |
| Ruth Martinez | Daughter | — | 17 | ~1923 |
| Loretta Amorisea | Daughter | — | 21 | ~1919 |
| Juan Martinez | Head | — | 53 | ~1887 |
| Nerlinda Amorisea | Other | — | 1 | ~1939 |
Census Appearances
1920
Los Angeles, …
Son, age 1
Los Angeles, California · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Miguel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Son, age 12
Los Angeles, California · implied b. ~1918 — 7 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 | California |
| Age at First Marriage | 1907 |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 23
Los-Angeles-County, California · implied b. ~1917 — 8 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | El Monte Township |
| 1935 Residence (County) | Los Angeles |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 525 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Manuel Martinez across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Antonio Martinez (~0.92 confidence) and father Juan Martinez (~0.92 confidence) and father Pedro Martinez (~0.92 confidence) and mother Josefa Martinez (~0.92 confidence) and mother Manuela Martinez (~0.92 confidence) and mother Martina Martinez (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Antonio Martinez
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Juan Martinez
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Pedro Martinez
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Josefa Martinez
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Manuela Martinez
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Martina Martinez
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1940 · age 23 · b. ~1917 · California
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Sibling
Loretta Amorisea
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Martinez
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Navia Martinez
Sibling · 1940 · age 14
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-t0627-00228-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gregory S Malmberg | 24 | Son | Farmer | California |
| 2 | Rosaura Malmberg | 18 | daughter in law | — | California |
| 3 | Jasmine Malmberg | 0 | grandson | — | California |
| 4 | Jose Aguinaga | 42 | Head | Clerk | Mexico |
| 5 | Agustina Aguinaga | 38 | wife | Salesman | Mexico |
| 6 | Consuela Aguinaga | 17 | daughter | — | Mexico |
| 7 | Pasqual Aguinaga | 15 | son | — | Mexico |
| 8 | Waldo Aguinaga | 13 | son | — | California |
| 9 | Juan Aguinaga | 11 | son | — | California |
| 10 | Maria Aguinaga | 9 | daughter | — | California |
| 11 | Jack Aguinaga | 7 | son | — | California |
| 12 | Eloisa Aguinaga | 6 | daughter | — | California |
| 13 | Librada Jimenez | 50 | Head | Laborer | Mexico |
| 14 | Alberto Salgado | 37 | Head | Laborer | Mexico |
| 15 | Cecilia Salgado | 29 | wife | — | Mexico |
| 16 | Raquel Salgado | 8 | daughter | — | California |
| 17 | Carmen Salgado | 5 | daughter | — | California |
| 18 | Juan Martinez | 53 | Head | Laborer | Mexico |
| 19 | Martina Martinez | 54 | wife | — | Mexico |
| 20 | Manuel Martinez THIS PERSON | 23 | son | Laborer | California |
| 21 | Ruth Martinez | 17 | daughter | — | California |
| 22 | Navia Martinez | 14 | son | — | California |
| 23 | Ernest Amorisea | 29 | son in law | Laborer | Mexico |
| 24 | Loretta Amorisea | 21 | daughter | — | California |
| 25 | Nerlinda Amorisea | 1 | granddaughter | — | California |
| 26 | Jesus Moreno | 34 | Head | — | Mexico |
| 27 | Alicia Moreno | 11 | daughter | — | California |
| 28 | Beatrice Moreno | 10 | daughter | — | California |
| 29 | Carlos Moreno | 7 | son | — | California |
| 30 | Juan Moreno | 4 | son | — | California |
| 31 | Gabeho Castro | 31 | head | Laborer | Mexico |
| 32 | Juana Castro | 28 | wife | — | Mexico |
| 33 | Aleandro Castro | 9 | son | — | California |
| 34 | Maria Castro | 7 | daughter | — | California |
| 35 | Angela Castro | 4 | daughter | — | California |
| 36 | Adelena Alvarez | 76 | mother in law | — | Mexico |
| 37 | Henry Farro | 48 | Head | Laborer | Mexico |
| 38 | Petra Farro | 35 | wife | — | Mexico |
| 39 | Graciela Farro | 15 | daughter | — | California |
| 40 | Pablo Farro | 10 | daughter | — | California |
Pedigree Summary
Manuel + 3 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)