Mr. and Mrs. Jack Klemczyk of Rensselaer, formerly of Lackawanna celebrated their 50th wedding anniversary. An anniversary Mass is planned for July at St. John’s Catholic Church in Rensselaer, followed by a reception for family and friends at the Holiday Inn Express in East Greenbush. Mr. Klemczyk and the former Bernadine Myszka were married May 29, 1965, in Queen of Peace Catholic Church, Buffalo. He is a retired budget analyst for the New York State Office of General Services in Albany. She is a retired school secretary at Bell Top School in North Greenbush. They have two children and two grandchildren.