LEWISTON – Joseph and Sandra Dorner of Chatham, N.H., are announcing the engagement of their daughter, Molly Dorner of Lewiston, to Alan Tripp of Lewiston, son of Jeanne Lachance and stepson of Andy Lachance of Lewiston.

Miss Dorner is a graduate of the University of Maine at Farmington and is employed as a teacher for the Lewiston School Department.

Mr. Tripp is a graduate of Lewiston High School and is employed at Celotex.

A fall wedding is planned.