Mr. and Mrs. Dennis Oniszczak of Cheektowaga celebrated their 50th wedding anniversary with a dinner at Russell’s Steak, Chops and More restaurant in Lancaster. A family vacation to Las Vegas is planned. Mr. Oniszczak and the former Susan Kryczko were married April 24, 1965, in St. Josaphat Catholic Church, Cheektowaga. He is a retired director of information services at Westwood-Squibb Pharmaceuticals, and is currently an associate broker with Hunt Real Estate. She worked formerly for the University at Buffalo and Buffalo and Erie County Public Library. They have two children.