Haddaway took a big step in her political career in 2002 when she became a member of the Talbot County Republican Central Committee and has served as vice-chair. She is also a member of the Mid-Shore League of Republican Women, and the Republicans for Environmental Protection. She is the founder and past president of Mid-Shore Young Republicans, a founding member of Delmarva Planned Giving Council, a member of the Talbot County Chamber of Commerce, the Talbot County Young Professionals, the Leave A Legacy Delmarva, and the Rotaract of Easton.