Dennis E. Lafferty, 45, Altoona, died Thursday at Altoona Center for Nursing Care. He was born in Altoona, son of Marion "Sissy" (Wendt) Lafferty and the late Arnold E. Lafferty. Surviving are a son Denny Lafferty; his mother Marion "Sissy"; two sisters: Denise Peterman and Rebecca Burk; and a brother, Larry E. He was preceded in death by a brother, Charles S. At the request of the deceased, there will be no viewing or service. Arrangements are by Stanley J. Krish Funeral Home Inc., 1204 17th St., Altoona.