When Olivia Garza was born on 23 October 1927, in Camargo, Tamaulipas, Mexico, her father, Eutimo Garza, was 24 and her mother, Maria Inez Villarreal Chapa, was 23. She married Alejandro Cavazos on 3 September 1947, in Monte Alto, Hidalgo, Texas, United States. They were the parents of at least 1 son and 1 daughter. She lived in Willacy, Texas, United States in 1935 and Justice Precinct 5, Hidalgo, Texas, United States in 1940. She died on 31 December 2003, in San Jose, Santa Clara, California, United States, at the age of 76.