It was a morning for a celebration at Eunice Manor Friday. A resident, Mary Collier, will turn 100 years old on August 21. Collier, born on August 21, 1922 in Ville Platte, is the only living sibling from her family. Mary Tate Collier had an older sister Ethel Tate, and an older brother Kerney Tate, who was an attorney in Eunice. According to a family friend Margaret Frey, “Mary had two other sis…