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Jose Martinez — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Jose Martinez across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Francisco & Leonor — first a head (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Martinez |
| Given Name | Jose |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Rivera |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Fruit-Picker |
| Industry | Citrus Packing |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 546 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Fruit-Picker |
| Township / Ward | Rivera |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jose | Age | Birth yr |
|---|---|---|---|---|
| Jose Martinez | Head | — | 21 | ~1919 |
| Jose Martinez | Son | — | 1 | ~1939 |
| Nancy Martinez | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Los Angeles, …
Son, age
Los Angeles, California · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Jose |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Mother Tongue | Spanish |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Los Angeles, …
Son, age 10
Los Angeles, California · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Jose |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Los-Angeles-County, California
Head, age 21
Los-Angeles-County, California · implied b. ~1919 — 3 household members
| Surname | Martinez |
| Given Name | Jose |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Rivera |
| 1935 Residence (County) | Los Angeles |
| Occupation | Fruit-Picker |
| Industry | Citrus Packing |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 546 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Jose Martinez across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francisco Martinez (~0.92 confidence) and mother Leonor Martinez (~0.92 confidence) and mother Ramona Martinez (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francisco Martinez
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Leonor Martinez
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Ramona Martinez
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jose Martinez
Head · 1940 · age 21 · b. ~1919 · 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 — 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-t0627-00259-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernesto Maldonado | 45 | Head | Farm Laborer | Mexico |
| 42 | Francisca Maldonado | 47 | Wife | — | Mexico |
| 43 | Jose Martinez THIS PERSON | 21 | Head | Fruit-Picker | Arizona |
| 44 | Nancy Martinez | 20 | Wife | — | California |
| 45 | Jose Jr. Martinez | 1 | Son | — | California |
| 46 | Antonio Ayala | 38 | Head | Clergyman | Mexico |
| 47 | Marianela Ayala | 30 | Wife | — | Mexico |
| 48 | Daniel Ayala | 10 | Son | — | Texas |
| 49 | Eunice Ayala | 9 | Daughter | — | New Mexico |
| 50 | Hector C. Ayala | 7 | Son | — | Texas |
| 51 | Alicia Ayala | 3 | Daughter | — | California |
| 52 | George E. Triggs | 51 | Head | Real Estate Salesman | Kansas |
| 53 | Belle E. Triggs | 54 | Wife | — | California |
| 54 | Lont. Dore Triggs | 88 | Mother | — | Iowa |
| 55 | Alfredo Maldonado | 19 | Head | Fruit-Picker | California |
| 56 | Merced Maldonado | 18 | Wife | — | Arizona |
| 57 | Julia Ponce | 52 | Mother | — | Mexico |
| 58 | Alberto Holguin | 20 | Head | Milker | Arizona |
| 59 | Margarita Holguin | 17 | Wife | — | California |
| 60 | Carmen Holguin | 52 | Mother | — | Mexico |
| 61 | Ramona Balderrama | 31 | Head | — | Arizona |
| 62 | Angelina Balderrama | 14 | Daughter | — | California |
| 63 | Julian Balderrama | 12 | Son | — | California |
| 64 | Juan Balderrama | 11 | Son | — | California |
| 65 | Luis Balderrama | 8 | Son | — | California |
| 66 | Salvador Rodriguez | 32 | Head | Milker | Mexico |
| 67 | Maria Rodriguez | 7 | Daughter | — | California |
| 68 | Graciela Rodriguez | 6 | Daughter | — | California |
| 69 | Carmen Peñuñuri | 68 | Mother in law | — | Mexico |
| 70 | Lawrence W. Stange | 42 | Head | Stationary Engineer | Michigan |
| 71 | Mary Stange | 41 | Wife | — | Maine |
| 72 | Barbara Stange | 11 | Daughter | — | California |
| 73 | Lawrence W. Jr. Stange | 8 | Son | — | California |
| 74 | William S. Anderson | 44 | Head | Proprietor | Illinois |
| 75 | Winnie Anderson | 36 | Wife | — | Arkansas |
| 76 | Frances Anderson | 2 | Daughter | — | California |
| 77 | John L. Russell | 84 | Head | — | Tenn |
| 78 | Linnie Russell | 69 | Wife | — | California |
| 79 | Martha O. Russell | 37 | Daughter | Teacher | California |
| 80 | Elbie E. Clothier | 31 | Head | Carpenter | Kansas |
Pedigree Summary
Jose
Gen 1 · 3 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)