Mario was born August 15, 1973 in Mexico to Maria Guadalupe Salazar and Jose Guadalupe Sustaita of Dallas, TX. He passed away July 8, 2012 in Irving, TX at the age of 38. Mario is survived by his parents; wife, Dora A. Sustaita-Coronado of Dallas, TX; daughters, Amy Sustaita and Arlet Sustaita of Dallas, TX; son, Angel Sustaita of Dallas, TX; siblings, Maria Ofelia Sustaita of Mexico, Maria C. Sanchez of Oklahoma City, OK, Maria J. Sustaita of Dallas, TX, Alfonso Sustaita of Dallas, TX, Felipe Sustaita of Dallas, TX, Ricrado Sustaita of Dallas, TX Jose Sustaita of Dallas, TX and Juan Sustaita of Dallas, TX; and numerous nieces, nephews and friends. Mario was a graduate of Thomas Jefferson High School Class of 1992. He worked for Texaco Express Lube and was a member of St. Monica Catholic Church in Dallas. The family will receive friends from 6:00 pm – 8:00 pm, Thursday, July 12, 2012 with a Rosary at 7:00 pm at Calvary Hill Funeral Home. A Funeral Mass will be 10:00 am, Friday, July 13, 2012 at the North Chapel of Calvary Hill Mausoleum.