Tim and Dianne Mayfield of Cumming announce the engagement of their daughter Katie Paulette Mayfield to Matthew Richard Peck, son of Larry and Teresa Peck of Gainesville. The bride-elect is the granddaughter of June Grizzle of Murrayville and the late Paul E. Grizzle, and the late Frances and Leroy Mayfield. She is a 2009 graduate of North Forsyth High School in Cumming.