Mr. and Mrs. James W. Delancey of Hattiesburg announce the engagement of their daughter, Amanda Brooke, to Matthew Westley Thornton. Mr. Thornton is the son of Karen Thornton of Clinton and Mr. and Mrs. Philip Thornton of Vicksburg.

Miss Delancey is the granddaughter of the late Mr. and Mrs. Edward E. “Gene” Knight of Laurel and the late Mr. and Mrs. J.C. Delancey of Hattiesburg.

Mr. Thornton is the grandson of the late Mr. and Mrs. Lawrence T. West of Clinton and the late Mr. and Mrs. John H. Thornton of Florence.

The bride-elect is a 2006 graduate of Oak Grove High School and a 2010 graduate of the University of Mississippi, where she received a Bachelor of Science degree in business.

Miss Delancey is a sales representative with Clinique at Belk in Hattiesburg.

The prospective groom is a 2004 graduate of Clinton High School and a 2010 graduate of the University of Mississippi, where he received a Bachelor of Science degree in biology.

Mr. Thornton is a neurophysiology technologist with Hattiesburg Clinic.

Vows will be exchanged Oct. 1, 2011, at Hardy Street Baptist Church in Hattiesburg.