Mr. and Mrs. James C. Anderson of North Tonawanda celebrated their 50th wedding anniversary with a Mass and marital blessing at St. Francis of Assisi Catholic Church, followed by a gathering for family and friends in the Holiday Inn, Amherst. The couple took a 15-day trip to Nova Scotia and the Canadian Maritimes. Mr. Anderson and E. Patricia "Pat" Ulmer were married June 9, 1962, in St. Francis of Assisi Church. He is a retired lab technician for Saint-Gobain Corp., Wheatfield; she is a retired sales associate for Bon-Ton, Niagara Falls. They have three daughters and six grandchildren.