Attorney O'Hara has been practicing Domestic and Family Law since her admission to the Bar in 1981. She has been a frequent PBI presenter on the topics of divorce, custody and support.

Attorney O'Hara has served as the Secretary of the Lackawanna Bar Association and as a Zone 5 Delegate to the Pennsylvania Bar Association. She has been a Big Sister and serves on the Voluntary Action Center Board of Directors, She has also served on the United Neighborhood Center's Board of Directors. She is currently the President of the Association of Women Lawyers of Lackawanna County.

Attorney O'Hara was recognized as one of the Top 25 Women in Business in Northeastern Pennsylvania in 2012. She is also a monthly guest expert on the Laurie and Lynn radio show on WILK FM.