Sara Alice Tucker and Hilton Smith of Cornelia,and Jennings and Diane Quillin of Ocean City, Md., announce the engagement of their daughter Jennifer Blackwell Quillin to Jeremy Ryan Stille, son of Charles and Amy Stille of Johns Creek. The bride-elect is the granddaughter of the late Walter and Alice Tucker and the late Raymond and Electra Quillin. She is a 2008 graduate of Habersham Central High School in Cornelia.