CARLSON – Kurt B. and Kathryn M. (Cornell) Carlson of Jamestown, N.Y., in UPMC Hamot, Erie, Pa., on Dec. 14, 2012, twins: a daughter, Vivian Lynn and a son, William Hunter Carlson. Grandparents are Margaret Cornell of Jamestown, N.Y., and the late William Cornell and Vivian and Clem Rossi of Russell, Pa., and Barb and Lynn Carlson of Chandler, Ariz.