Karen Mayo-Shanahan and Aidan Shanahan of Norwalk, Conn. are happy to announce the birth of their son, Declan Finn Mayo-Shanahan. He was born on Sept. 21, 2000 at 8:25 a.m., weighing 8 lb. 4 oz. and measuring 20 1/2 inches in length. Fred and Anne Mayo of Strawberry are his proud grandparents.