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 Cruz & Petra — first a head (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D.-3 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Time keeper |
| Industry | Road Construction WPA |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 412 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Time Keeper |
| Township / Ward | Csd3 |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Ruben Martinez | Son | — | 1 | ~1939 |
| Manuel Martinez | Head | — | 32 | ~1908 |
| Juanita Alaniz | Other | — | 68 | ~1872 |
| Juanita Martinez | Spouse | — | 31 | ~1909 |
| Olivia Martinez | Daughter | — | 7 | ~1933 |
| Manuel Martinez | Son | — | 6 | ~1934 |
Census Appearances
1920
Maricopa, Arizona
Son, age 12
Maricopa, Arizona · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Head, age 22
Maricopa, Arizona · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Mexican |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 21 |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Arizona |
| Occupation | Truck Driver |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22 |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 32
Maricopa-County, Arizona · implied b. ~1908 — 6 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D.-3 |
| 1935 Residence (County) | Maricopa |
| Occupation | Time keeper |
| Industry | Road Construction WPA |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 412 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Cruz Martinez (~0.92 confidence) and mother Petra Martinez (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Cruz Martinez
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Petra Martinez
b. ~1896
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Manuel Martinez
Head · 1940 · age 32 · b. ~1908 · Arizona
★ 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 — 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-t0627-00109-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Juanita Jones | 8 | daughter | — | Texas |
| 2 | Burnett Jr. Jones | 6 | son | — | Texas |
| 3 | Sandy Jones | 4 | son | — | Texas |
| 4 | Herman Ray Jones | 2 | son | — | Arizona |
| 5 | Tom Sweat | 63 | Head | Janitor | Kentucky |
| 6 | Ella Sweat | 60 | wife | — | Tennessee |
| 7 | William Walton | 38 | Head | Machinist | Virginia |
| 8 | Jessie Walton | 36 | wife | — | Kentucky |
| 9 | Jessie Mae Walton | 4 | daughter | — | Arizona |
| 10 | Chauncey Hightower | 30 | Guest | Attendant | Texas |
| 11 | Milton Sayers | 29 | Guest | Porter | Oklahoma |
| 12 | Ollie Thompson | 21 | Head | Attendant | Oklahoma |
| 13 | W. M. Henry | 70 | Head | — | Mississippi |
| 14 | Viola M. Henry | 15 | daughter | — | Oklahoma |
| 15 | Manuel Martinez THIS PERSON | 32 | Head | Time Keeper | Arizona |
| 16 | Juanita Martinez | 31 | wife | — | Arizona |
| 17 | Olivia Martinez | 7 | daughter | — | Arizona |
| 18 | Manuel Jr. Martinez | 6 | son | — | Arizona |
| 19 | Ruben Martinez | 1 | son | — | Arizona |
| 20 | Juanita Alaniz | 68 | Mother | — | Mexico |
| 21 | Elmer Stevenson | 39 | Head | Porter | Oklahoma |
| 22 | Gladys Stevenson | 36 | wife | — | Oklahoma |
| 23 | O. C. Stevenson | 16 | son | — | Oklahoma |
| 24 | A. J. Stevenson | 10 | son | — | Oklahoma |
| 25 | Santos M. Samora | 56 | Head | Laborer | Mexico |
| 26 | Eulalia Samora | 48 | wife | — | Mexico |
| 27 | James Mccoy | 46 | Head | Laborer | Louisiana |
| 28 | Flossie Mccoy | 42 | wife | — | Georgia |
| 29 | Preston Williams | 61 | Head | Laborer | Texas |
| 30 | Percy Moore | 26 | Head | Laborer | Oklahoma |
| 31 | Marcella Moore | 23 | wife | — | Oklahoma |
| 32 | Dorothy Jean Moore | 7 | daughter | — | Arizona |
| 33 | Von Moore | 4 | son | — | Arizona |
| 34 | Rollan Moore | 2 | son | — | Arizona |
| 35 | John W. Brown | 47 | Head | Janitor | Louisiana |
| 36 | Sarah Brown | 44 | wife | — | Alabama |
| 37 | Julius Craig | 39 | Head | Carpenter Helper | Alabama |
| 38 | Mildred Craig | 30 | wife | — | Arkansas |
| 39 | Rosa Craig | 17 | son | Gardner | Oklahoma |
| 40 | Jasilee Craig | 18 | son | Janitor | Arkansas |
Pedigree Summary
Manuel
Gen 1 · 2 parents
~0.76
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)