Mara is a former member of the Board of Directors for the Central Maine YWCA. She was a founding Board Member of the Maine Alliance for Drug Treatment Courts and was an active Member of the Board of Directors for six years. She has been a volunteer attorney at the Court House Assistance Project (CHAP) at the Lewiston District Court since 2009, which provides free legal services to low income individuals. Mara was also a member of the Justice for Children Task Force from 2007-2010.
Mara grew up in Bangor, Maine. In 1994, she graduated from Wheaton College in Massachusetts. Prior to working in the legal field, she worked in the political and non-profit sectors. Mara lives in Androscoggin County with her husband and children.