- January 19 – Following his State of Sully address, long-time Sully District Supervisor Michael R. Frey announces he will not seek reelection to a seventh term.
- Hobbs, Bonnie. "Sully District Supervisor Michael Frey Not Running for Reelection." Connection Newspapers. Connection Newspapers, 20 Jan. 2015. Web. 22 Feb. 2016.
|Fairfax County by Year: 2015|
|December 2014||·||January||·||February 2015|