MM
Manuel Martinez — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Manuel Martinez across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents Manuel & Maxonella — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D-3 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Labor |
| Township / Ward | Csd3 |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Manuel Martinez | Son | — | 23 | ~1917 |
| Jesusa Martinez | Spouse | — | 51 | ~1889 |
| Jewelia Martinez | Son | — | 20 | ~1920 |
| Manuel Martinez | Head | — | 49 | ~1891 |
| Marino Martinez | Other | — | 50 | ~1890 |
| Aruther Martinez | Son | — | 18 | ~1922 |
Census Appearances
1920
Maricopa, Arizona
Son, age 1
Maricopa, Arizona · implied b. ~1919 — 2 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 | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Son, age 12
Maricopa, Arizona · implied b. ~1918 — 10 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 | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Can Read/Write | No |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Son, age 23
Maricopa-County, Arizona · implied b. ~1917 — 6 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D-3 |
| 1935 Residence (County) | Maricopa |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| 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 Manuel Martinez across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Manuel Martinez (~0.92 confidence) and father Maxonella Martinez (~0.92 confidence) and mother Jesusa Martinez (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Manuel Martinez
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Maxonella Martinez
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Jesusa Martinez
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1940 · age 23 · b. ~1917 · Arizona
★ You are viewing this record
Sibling
Aruther Martinez
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewelia Martinez
Sibling · 1940 · age 20
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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00109-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Moran | 5 | Daughter | — | Arizona |
| 42 | Tomasa Moran | 3 | Daughter | — | Arizona |
| 43 | Isabelle Moran | 1 | Daughter | — | Arizona |
| 44 | Marga Moreno | 51 | Head | — | Mexico |
| 45 | Lupe Moreno | 18 | Daughter | New Worker | Arizona |
| 46 | Felix Moreno | 35 | Son | Labor | Arizona |
| 47 | Angeles Moreno | 7 | Granddaughter | — | Arizona |
| 48 | Mary Moreno | 4 | Daughter | — | Arizona |
| 49 | Manuel Martinez | 49 | Head | Labor | Mexico |
| 50 | Jesusa Martinez | 51 | Wife | — | Mexico |
| 51 | Manuel Martinez THIS PERSON | 23 | Son | Labor | Arizona |
| 52 | Jewelia Martinez | 20 | Son | Clerk | Arizona |
| 53 | Aruther Martinez | 18 | Son | Labor | Arizona |
| 54 | Marino Martinez | 50 | Brother in law | Labor | Mexico |
| 55 | Philips Rodrigues | 43 | Head | Labor | Mexico |
| 56 | Julia Rodrigues | 36 | Wife | — | Mexico |
| 57 | Mary Rodrigues | 15 | Daughter | — | Arizona |
| 58 | Robert Rodrigues | 12 | Son | — | Arizona |
| 59 | Josephine Borias | 67 | Mother in law | — | Mexico |
| 60 | Pete Bura | 47 | Head | Labor | Mexico |
| 61 | Esther Bura | 37 | Wife | — | Mexico |
| 62 | Angels Bura | 18 | Daughter | New Worker | Arizona |
| 63 | Pete Bura | 18 | Son | — | Arizona |
| 64 | Maria Bura | 13 | Daughter | — | Arizona |
| 65 | Aruther Bura | 8 | Son | — | Arizona |
| 66 | Sophie Bura | 5 | Daughter | — | Arizona |
| 67 | Tall Bura | 2 | Son | — | Arizona |
| 68 | Joe Maranda | 45 | Head | Labor | Mexico |
| 69 | Mary Maranda | 40 | Wife | — | Mexico |
| 70 | Joe Maranda | 18 | Son | Labor | Arizona |
| 71 | Ben Maranda | 16 | Son | — | Arizona |
| 72 | Robert Maranda | 14 | Son | — | Arizona |
| 73 | Carmen Maranda | 13 | Daughter | — | Arizona |
| 74 | Manuela Maranda | 9 | Daughter | — | Arizona |
| 75 | Louise Maranda | 5 | Daughter | — | Arizona |
| 76 | Fred Maranda | 4 | Son | — | Arizona |
| 77 | Bas Bonges | 54 | Head | — | Mexico |
| 78 | Rosaria Bonges | 29 | Daughter | — | Mexico |
| 79 | Frank Bonges | 28 | Son | Labor | Mexico |
| 80 | Antonia Bonges | 27 | Daughter | — | Mexico |
Pedigree Summary
Manuel + 2 siblings
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)