Cirilo M. Sierra passed away on July 29, 2026, in Fort Worth, surrounded by his family. He was born on February 9, 1944, in Mexico to Cirilo Sierra and Magdalena Machuca Sierra.

His family remembers him as a loving husband, exemplary father, proud grandfather, and beloved brother. Sierra was known for being a joyful person with a big heart and a bright smile. Further details about his life and legacy are available from the family's announcement.