The engagement and forthcoming marriage of Terann Fayth Hillis to Tyler Clark Birdwell is being revealed by the bride-elect’s parents, Steve and Sharla Hillis. The prospective bridegroom is the son of Don and Jill Birdwell of Red Boiling Springs. Miss Hillis is the granddaughter of W.C. and Nelma Chilton, Barry Hillis, and Mike and Hilda Duke.