Oralia Sierra, 57, of Greeley died on Tuesday, March 13, 2012 at the Swedish Medical Center in Englewood. She was born on January 1, 1955 in Zacatecas, Mexico to Jose and Juana (Carillo) Valenzuela. Oralia married Jorge Sierra in Texas on August 30, 1972. She worked at the Villa, Colorado Premium and Martin Produce. She loved to walk, read and write down food recipes. She especially loved her grandchildren and she was studying to become a Jehovah Witness at the Kingdom Hall. Survivors include her husband, Jorge Sierra; her father, Jose & Oselia Valenzuela; 2 sons, Diego and Jorge Sierra; 3 daughters, Maria Sierra, Diana Meza and Amelia Sierra; 3 brothers, Manuel, Juan and Luis Valenzuela; 2 sisters, Gloria Pasillas and Romelia Valenzuela and 13 grandchildren. She is preceded in death by her mother, Juana Carillo; a son, Jorge Sierra Jr. and 2 brothers, Ruben Valenzuela and Jose Valenzuela Jr. Visitation will be held from 1:00 until 7:00 p.m. on Monday, March 19th at the Moser Funeral Service Chapel, 3501 S. 11th Avenue. A funeral service will be held at 10:00 a.m. on Tuesday, March 20th at the Moser Funeral Service Chapel.