Mr. and Mrs. James Demma of West Seneca celebrated their 50th wedding anniversary with a party for family and friends at O’Brien’s Sleepy Hollow Grove in East Aurora. Mr. Demma and the former Patricia Lucas were married July 31, 1965, in Blessed Trinity Church in Buffalo. He is a retiree from Chevrolet Buffalo Plant. She is a retired beautician and former owner of three local salons. They have five children and 12 grandchildren.