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Manuel Martinez — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cochise, Arizona
Our Model Tree links this Manuel Martinez across the 1920, 1930 and 1940 US Censuses in Cochise, Arizona (XGBoost, ~Confirmed), with identified parents Aurelio & Gaspar — first a son (b.~1917), then head of a 3-person household.
Age 3
b. ~1917
Male
Son
Born: Arizona
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cochise, Arizona |
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Occupation | none |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Johnson Precinct |
| 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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Manuel Martinez | Son | — | 3 | ~1917 |
| Amelia Martinez | Spouse | — | 24 | ~1896 |
| Aurelio Martinez | Head | — | 28 | ~1892 |
Census Appearances
1920
Cochise, Arizona
Son, age 3
Cochise, Arizona · implied b. ~1917 — 3 household members
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Occupation | none |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Cochise, Arizona
Son, age 14
Cochise, Arizona · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martine |
| Given Name | Magui |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 14 |
| 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
Cochise-County, Arizona
Son, age 23
Cochise-County, Arizona · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Miguel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Douglas City |
| 1935 Residence (County) | Cochise |
| Occupation | Screening Sand |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 250 |
| Highest Grade | H-2 |
| 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 Aurelio Martinez (~0.92 confidence) and father Gaspar Loma (~0.60 confidence) and mother Amelia Martinez (~0.92 confidence) and mother Josefa Loma (~0.60 confidence) and mother Leonarda Martinez (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
Aurelio Martinez
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Gaspar Loma
b. ~1908
Source father
● Household
· direct · ~0.6
Mother
Amelia Martinez
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Josefa Loma
b. ~1913
Source mother
● Household
· direct · ~0.6
Mother
Leonarda Martinez
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1920 · age 3 · b. ~1917 · Arizona
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cochise, Arizona
Open full size
1920 US Federal Census — Cochise, Arizona
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu047unit:0244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cofino Ortiz | 22 | Head | Servant | Mexico |
| 2 | Leonora Aguilera | 22 | Head | Blacksmith | Mexico |
| 3 | Pedro Lopez | 27 | Head | Auger | Mexico |
| 4 | Maria Lopez | 22 | Wife | None | Mexico |
| 5 | Marcelino Arturo | 26 | Head | Miner | Mexico |
| 6 | Juana Arturo | 28 | Wife | None | Mexico |
| 7 | Jose Arturo | 2 | Son | None | Mexico |
| 8 | Cresencia Arturo | 59 | Mother | None | Mexico |
| 9 | Teresa Hernandez | 32 | Head | None | Mexico |
| 10 | Teodora Hernandez | 17 | Son | None | Mexico |
| 11 | Cefurino Costello | 50 | Head | None | Mexico |
| 12 | Alberto Ramirez | 12 | Niece | None | Mexico |
| 13 | W. R. Hall | 59 | Head | Policeman | Arkansas |
| 14 | W. J. Smith | 52 | Head | Foreman | California |
| 15 | Albert Peterson | 54 | Head | Merchant | Iowa |
| 16 | Blas Rodriguez | 26 | Head | Miner | Mexico |
| 17 | Ramona Rodriguez | 19 | Wife | None | Mexico |
| 18 | Guillermo Alvarado | 59 | Head | None | Mexico |
| 19 | John Clay | 59 | Head | Engineer | Texas |
| 20 | William Clay | 14 | Son | None | Arizona |
| 21 | Ernest Clay | 12 | Son | None | Arizona |
| 22 | W. H. Stanley | 52 | Head | Carpenter | England |
| 23 | James W. Utley | 37 | Head | Salesman | Illinois |
| 24 | Jessie M. Utley | 30 | Wife | None | California |
| 25 | Marion Utley | 8 | Daughter | None | California |
| 26 | William Utley | 6 | Son | None | California |
| 27 | Edward Utley | 3 | Son | None | California |
| 28 | Antonio Romero | 37 | Head | Laborer | Mexico |
| 29 | Felicita Romero | 30 | Wife | None | Mexico |
| 30 | Maria Romero | 14 | Daughter | None | Mexico |
| 31 | Nicolas Romero | 11 | Son | None | Mexico |
| 32 | Francisco Romero | 10 | Son | None | Mexico |
| 33 | Rosa Romero | 7 | Daughter | None | Arizona |
| 34 | Juan Romero | 5 | Son | None | Arizona |
| 35 | Santos Benitez | 51 | Head | Miner | Mexico |
| 36 | Mariana Benitez | 48 | Wife | None | Mexico |
| 37 | Amelio Borron | 36 | Head | Teamster | Mexico |
| 38 | Maria Borron | 31 | Wife | None | Mexico |
| 39 | Rodolfo Borron | 15 | Son | None | Mexico |
| 40 | Amelia Borron | 12 | Daughter | None | Mexico |
| 41 | Consuelo Borron | 10 | Daughter | None | Mexico |
| 42 | Beatriz Borron | 9 | Daughter | None | Mexico |
| 43 | Angelita Borron | 6 | Daughter | None | Mexico |
| 44 | Aurelio Martinez | 28 | Head | Miner | Mexico |
| 45 | Amelia Martinez | 24 | Wife | None | Arizona |
| 46 | Manuel Martinez THIS PERSON | 3 | Son | None | Arizona |
| 47 | Pedro Ballesteros | 35 | Head | Miner | Mexico |
| 48 | Luciano Guerrero | 34 | Partner | Miner | Mexico |
| 49 | Francisco Hernandez | 35 | Partner | Miner | Mexico |
| 50 | Jose Rivera | 28 | Partner | Miner | Mexico |
Pedigree Summary
Manuel
Gen 1 · 5 parents
~0.79
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)