Mr. and Mrs. Theodore Sosnowski of Williamsville celebrated their 50th wedding anniversary. A family gathering is planned for a later date. Mr. Sosnowski and the former Patricia Gerbasi were married May 15, 1965, in St. John de LaSalle Catholic Church, Niagara Falls. He is retired from a career in business finance and administration. She had a career in childcare, including working as a kindergarten assistant at St. Mary of Swormville. They have five children and nine grandchildren.