He attended Sam Houston High School. His interest was in automotive repair. He earned certification as a Master Automobile Technician from Ford Motor Company. Growing up Sam enjoyed spending summers with his grandfather, Pablo de la Torre. Sam would get up early to open the gate for the cows to come into the corral. After the cows were milked, he would help herd the cattle back to a pasture near the river. Also while in Mexico, Sam spent time with the Gallegos family. The Gallegos were also interested in mechanics and they took Sam on rides on their motorcycles which he enjoyed.
Sam was preceded in death by his father, Tereso Cossio; his brother Luis Humberto Cossio; and his infant sister, Teresa Cossio.
Sam is survived by his mother, Baudelia Cossio; his sister, Carmen Garza; his brother-in-law, Carlos Garza; his two nephews, David and Alex Garza; along with other relatives and friends.
A visitation for Samuel Cossio will be held Thursday, March 20, 2025 from 6:00 P.M. to 9:00 P.M. with a rosary to be recited at 7:00 P.M. A funeral service will occur Friday, March 21, 2025 from 10:00 A.M. to 11:00 A.M. 13747 Eastex Freeway, Houston, TX 77039. A graveside service will occur Friday, March 21, 2025 from 11:00 A.M. to 12:00 P.M. 13747 Eastex Freeway Houston, TX 77039.
Serving as pallbearers are Alex Garza, David Garza, Jose Cosio, Jorge Cossio, Valentin Quintero and Erik Estrada.