Jennifer Wittman and Edward Cahill were married on Aug. 16 at Our Lady Queen of Martyrs Roman Catholic Church in Centerport. The reception was at The Pavilion at Sunken Meadow in Kings Park. She is a physical education teacher and varsity cross country coach for Sayville High School and is the daughter of Andrew and Rose Marie Wittman of Bayport. The bridegroom is a petty officer first class in the Navy, is on recruiting duty in Farmingdale and is the son of Joseph and Kay Cahill of Billings, Mont. They live in Blue Point.