Sara Ashley McMahon and Jonathan Scott Mul-hearn, both of Millersville, are engaged to be married.
Miss McMahon is the daughter of Celeste and Mike McMahon of Cresson.
She is a 2008 graduate of Penn Cambria High School, Cresson, and a graduate of University of Pittsburgh with a bachelor's degree in communication science in 2011 and a master's degree in communication science and disorders in 2013.
She is a speech language and pathologist at Willow Valley Retirement Community, Lancaster.
Mr. Mulhearn is the son of Bill and Ruth Mulhearn of Lilly.
He is a 2008 graduate of Penn Cambria High School and a 2011 graduate of the University of Pittsburgh with bachelor's degrees in accounting and finance.
He is a certified public accountant.
He is a financial analyst at Armstrong Worldwide Industries, Lancaster.
A May wedding is being planned.