Lucy and her husband, Steve, have two adult children. Paul is a Principal Software Architect working to improve the efficiency of transportation services in Boston, Massachusetts and Laura works for the U.S. Green Building Council to support implementation of Leadership in Energy and Environmental Design (LEED) standards for buildings. Toby is the family German Shepherd, adopted from Virginia German Shepherd Rescue in 2010.

Lucy is learning to speak Spanish and is a volunteer with the Interfaith Works Vocational Services Program in Montgomery County, Maryland. This program prepares clients through job readiness classes, training in computer classes, job preparation and placement, and ongoing support for employment retention success.