Marion was sworn in as Susquehanna County’s District Attorney on February 5, 2018.
Born in Susquehanna and raised in Montrose, Marion is the youngest daughter of Susquehanna County’s late Judge M. Donald O’Malley and Elizabeth R. O’Malley.
She attended Montrose schools and graduated from the Montrose Area High School. She graduated from Lehigh University with a Bachelors Degree and in 1988 received a Juris Doctor degree from The Dickinson School of Law in Carlisle, Pennsylvania.
Serving as Assistant District Attorney under two previous administrations, Marion had 15 years of experience as a Susquehanna County prosecutor prior to becoming Susquehanna County District Attorney.