I know that they aren't necessarily from Mexico, but they are apart of the Central American hemisphere, so I'm just going to add their cases on this thread anyways.
*He already has a thread on Websleuths
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Found in Phoenix, Arizona on October 26, 1999. He died inside a house where he was staying with some sounds like very distant acquaintances of his. The acquaintances said that his name was
"Jorge" and that he was possibly from
Honduras. Some key body characteristics of his were that he some tattoos of the names Rosario, Glenda, and Lupe, and a letter D on his wrist.
The National Missing and Unidentified Persons System (NamUs)
Found on a ranch by a ranch hand in Jim Hogg County, Texas, on May 10, 2006. She had a ID card from
Honduras, that had the name of
Glenda Supaya Lopez Martinez, born February 6, 1979, and the
issue date of July 11, 1997. She also had Honduran currency. Interestingly, they don't have a picture of the ID on Namus.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Found in Sonoita, Santa Cruz County, Arizona on June 6, 2009. He was in a van with other migrants who were from Guatemala, El Salvador, Honduras, and Mexico, when he and the others were ejected from the van during an accident. This man could basically from anywhere.
The National Missing and Unidentified Persons System (NamUs)
Found lying in the desert by LE, on the Tohono O'Odham Reservation, near Sells, Arizona, on August 18, 2011. His fingerprints matched to a
Nelson Antonio Castro Martinez (from
Honduras w/
DOB of October 17, 1986 AR-098660686 )
w/other aliases of Jefferey Castro and Jefferey Figueroa Castro. Namus says that the names are not verified, but interestingly, the man has a tattoo on his left forearm that says "Nelson".
The National Missing and Unidentified Persons System (NamUs)
Found in the desert southwest of Bates Well, Arizona on February 3, 1981. Possible name association of
"Ricardo Arnoldo Barahona Mendez" of
Morales, Izabal, Guatemala.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link.
Was found inside a house in San Bernadino, California on August 29, 1986. He was beaten to death. Investigators believe that his name is
"Mario Roberto Marquez" from
Guatemala, due to evidence at the scene.
The National Missing and Unidentified Persons System (NamUs)
Found on the bank of a river in Harris County, Texas on December 4, 1994. Namus says that his name is possibly
"Jose Porfirio Guerra Cifuentes" who was last seen on 10/16/1994 swimming across the river and that he is from
Guatemala.
The National Missing and Unidentified Persons System (NamUs)
Found unresponsive in a public park in Los Angeles, California on April 19, 2001. The man was living a transient lifestyle. Acquaintances of his stated he was apparently drinking heavily when they last saw him. They also stated that he moved to the US from
Guatemala 15-20 years ago.
The National Missing and Unidentified Persons System (NamUs)
Found on near Building 900336 on Fort Huachuca army base in Arizona on September 27, 2006. Namus states that the man can't be excluded as
Guatemalan national
Rolando Eduardo Gomez Valdez
The National Missing and Unidentified Persons System (NamUs)
Found in the desert near Sasabe, Pima County, Arizona on December 26, 2007. Namus says that the man's name might be
"Rudy" or "Valerio" and that he is from
Guatemala.
The National Missing and Unidentified Persons System (NamUs)
Was with a large group and suddenly jumped into the canal. (Doesn't say COD on Namus but i'm thinking likely by drowning.) People in the group said that his name was either
"Carlos" or "Giovanni" and that he was likely from
Guatemala.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
He had possession of a "resident alien card" which had the name
Rogelio Alvarado w/ DOB June 24, 1954. The Mexican and Guatemalan consulate determined the card to be fake and that no one under that name existed. *He could possibly be from anywhere else excluding Mexico and Guatemala. "Rogelio" was rooming with a friend of his five years prior to his death at 1100 block of E. Portland St. in Phoenix, AZ 85006. He passed away in the front yard in the early morning of July 5, 2013. He was also working in the construction business hanging drywall.
The National Missing and Unidentified Persons System (NamUs)
Found by Border Patrol in the desert near Vamori Village, Pima County, Arizona on Spetember 2, 2017. He had a
Guatemalan birth certificate with the name
Juan Geovani Gregorio Hernandez. He also had a Verizon Samsung flip phone on him as well.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Was found unresponsive behind a commercial building in Bronx, New York on December 24, 2019. Namus states his name is possibly
"David Miranda" and is from
Guatemala.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Found in the desert by Barry Goldwater Range Security near Childs, Pima County, Arizona on July 30, 2006. Namus states that the man is likely
"Orlando Jose Garcia Fernandez" from
Nicaragua. He also had three blue/black dots in the shape of a triangle are on the back of the right hand between the thumb and index finger. A blue/black cross is on the back of the left hand between the thumb and index finger.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Found in North Brunswick, Middlesex County, New Jersey on October 20, 2005. Namus states that the man is possibly
"Marco Hernandez" from
Costa Rica, and that he likely worked as an auto body technician. He was found with a 10ml bottle of Humulin insulin 70/30 which was unopened.
The National Missing and Unidentified Persons System (NamUs)
Found inside his apartment by an apartment manager doing a welfare check in Los Angeles, California on July 30, 1989. Not necessarily clear if this is what the property manager thinks or LE, but Namus states specifically that he is possibly 28 y.o. and that his name is
"Jose Antonio Lopez" from
El Salvador.
The National Missing and Unidentified Persons System (NamUs)
Found unresponsive in the hallway of an apartment complex in Los Angeles, California at around 9:00pm on March 16, 1997. The property manager believes that the man might be from
El Salvador.
The National Missing and Unidentified Persons System (NamUs)
Was found in Douglas, Cochise County, Arizona on January 17, 2001. He was found standing up, semi-conscious, and cold to the touch by a citizen. He had a hard time speaking and his clothes were wet (I'm thinking possibly dehydration and hypothermia). He passed away before paramedics could reach him. The man's fingerprints were matched to a man named
Vidal Oreyanna Rivas who is possibly from
El Salvador.
The National Missing and Unidentified Persons System (NamUs)
WARNING PM at link
Was found unresponsive at a homeless shelter in Los Angeles, California on June 1, 2001. He went by the name
"Richard" and that he was possibly from
El Salvador.