Performing the marriage ceremony for Sarah Elizabeth Steel and Christopher Damian Wiktor at 2 p.m. Saturday in Alumni Chapel at Niagara University was the bridegroom's uncle, the Rev. Ronald A. Wiktor of Our Lady of Lebanon Catholic Church, Niagara Falls. A reception was given in Salvatore's Italian Gardens. Parents of the bride are Madonna and George Guzzetta of Derby and Ronald and Diane Steel of Newfane. The bridegroom is the son of Damian and Judith Wiktor of Boston. A graduate of Lake Shore Central High School and Erie 2 Board of Cooperative Educational Services, the bride is attending Trocaire College and is a licensed practical nurse in the office of Drs. Robert N. and Jennifer N. Erickson. The bridegroom, production coordinator of Supportive Services, is a graduate of Hamburg Central High School and Erie Community College South Campus. They will travel in New Jersey and will live in Derby.