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Manuel Martinez — 1940 US Census Record
Model Tree available1940 United States Federal Census · Riverside-County, California
Our Model Tree links this Manuel Martinez across the 1920, 1930 and 1940 US Censuses in Riverside-County, California (XGBoost, ~Confirmed), with identified parents Ambrosio & Maria — first a head (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Male
Head
Born: Mexico
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Riverside-County, California |
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Mexico |
| 1935 Residence (City) | Riverside |
| 1935 Residence (County) | Riverside |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Picker |
| Industry | Citrus |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 400 |
| Highest Grade | No |
| 1935 Residence | Calif |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
| Occupation | Picker |
| Township / Ward | Riverside City |
| Est. Birth Year | ~1894 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Salvador Martinez | Son | — | 7 | ~1933 |
| Mary Martinez | Spouse | — | 39 | ~1901 |
| Pete Martinez | Son | — | 12 | ~1928 |
| Richard Martinez | Son | — | 2 | ~1938 |
| Joe Martinez | Son | — | 14 | ~1926 |
| Charlie Martinez | Son | — | 10 | ~1930 |
| Jesse Martinez | Son | — | 17 | ~1923 |
| Manuel Martinez | Head | — | 46 | ~1894 |
| Tony Martinez | Son | — | 20 | ~1920 |
Census Appearances
1920
Orange, California
Son, age 23
Orange, California · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Mexico |
| Naturalization Status | Alien |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Spanish |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
1930
Orange, California
Head, age 35
Orange, California · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Mexico |
| Naturalization Status | Alien |
| Year of Immigration | 1920 |
| Age at First Marriage | 23 |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Occupation | Gen. labor |
| Industry | Ranch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Spanish |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth Country | Mexico |
| Birthplace (normalized) | mexico |
1940
Riverside-County, California
Head, age 46
Riverside-County, California · implied b. ~1894 — 9 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Mexico |
| 1935 Residence (City) | Riverside |
| 1935 Residence (County) | Riverside |
| Naturalization Status | Alien |
| Occupation | Picker |
| Industry | Citrus |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 400 |
| Highest Grade | No |
| 1935 Residence | Calif |
| 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 2 locations, using XGBoost record linkage. Identified parents: father Ambrosio Martinez (~0.92 confidence) and mother Maria Martinez (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ambrosio Martinez
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maria Martinez
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Head · 1940 · age 46 · b. ~1894 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Riverside-County, California
Open full size
1940 US Federal Census — Riverside-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00278-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | P|R|K|B|L|S|V|H|T|F|G|M|D|C|A|E|I|J|K|L|O|P|Q|R|S|T|U|V|W|X|Y|Z Eulojio | 49 | Wife | Picker | Mexico |
| 2 | Nick Eulojio | 21 | Son | Picker | California |
| 3 | Teresa Eulojio | 18 | Daughter | Picker | California |
| 4 | Mary Eulojio | 16 | Daughter | — | California |
| 5 | Sally Eulojio | 10 | Daughter | — | California |
| 6 | Tony Eulojio | 7 | Son | — | California |
| 7 | Blas Romero | 44 | Head | Picker | California |
| 8 | Petra Romero | 22 | Wife | — | California |
| 9 | Rachel Romero | 1 | Daughter | — | California |
| 10 | Ernest Romero | 23 | Brother | Picker | California |
| 11 | Alia Romero | 18 | W. In Law | — | California |
| 12 | Ruth Romero | 2 | Daughter | — | California |
| 13 | Mick Romero | 28 | Head | Picker | California |
| 14 | Solade Romero | 22 | Wife | — | Texas |
| 15 | Dolores Romero | 4 | Daughter | — | California |
| 16 | Herlinda Romero | 2 | Daughter | — | California |
| 17 | Manuel Martinez THIS PERSON | 46 | Head | Picker | Mexico |
| 18 | Mary Martinez | 39 | Wife | — | Mexico |
| 19 | Tony Martinez | 20 | Son | Picker | California |
| 20 | Jesse Martinez | 17 | Son | — | California |
| 21 | Joe Martinez | 14 | Son | — | California |
| 22 | Pete Martinez | 12 | Son | — | California |
| 23 | Charlie Martinez | 10 | Son | — | California |
| 24 | Salvador Martinez | 7 | Son | — | California |
| 25 | Richard Martinez | 2 | Son | — | California |
| 26 | Eli Lee Burton | 56 | Head | — | Texas |
| 27 | Bertha K. Burton | 35 | Wife | — | California |
| 28 | Myrtle Burton | 15 | Daughter | — | California |
| 29 | Avole Burton | 14 | Son | — | California |
| 30 | Gerald Burton | 10 | Son | — | California |
| 31 | Garnelle Burton | 6 | Son | — | California |
| 32 | Berta Lee Burton | 4 | Daughter | — | California |
| 33 | Dora Burton | 1 | Daughter | — | California |
| 34 | Tiburcio Gonzales | 45 | Head | Picker | Mexico |
| 35 | Mary Gonzales | 34 | Wife | — | Mexico |
| 36 | Henry Gonzales | 4 | Son | — | Arizona |
| 37 | Frank Clovis | 33 | Head | Picker | Mexico |
| 38 | Natalia Clovis | 46 | Mother | — | Mexico |
| 39 | Roa Clovis | None | Augustine | 40 | 7 |
| 40 | Pete Clovis | 19 | Brother | Picker | Arizona |
Pedigree Summary
Manuel
Gen 1 · 2 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)