Marilyn Knittle, Moline, will celebrate her 80th birthday with a family dinner at 4 p.m. Feb. 2 at the Windmill. Marilyn was born Feb. 5, 1933. She married Ray Knittle on Nov. 23, 1951. Her children are Rick (Vicki) and Joe (Donna). She has six grandchildren. She retired from the Respiratory Therapy Department of Trinity Medical Center. She is a member of Hope United Church of Christ, Moline.