ELSTON-Constance L., 84. Visitation 2 p.m., vigil service 4 p.m., both Jan. 22 at the funeral home. Memorial Mass 10 a.m., Jan. 23 at Christ the King Church. Preceded in death by husband, Harry R. Elston, Ph.D. Survived by daughters, Christine Garrett and Marchelle Elston; four grandchildren; great-grandchild.