Gaines, a longtime resident, is a former president of the Palm Beach Republican Club. In 1993, then-Congressman Newt Gingrich recruited Gaines to lead GOPAC — a GOP political action committee. She worked as chairwoman until 1997. She also spent six years on the board of the Corporation for Public Broadcasting, two of those years as the board’s vice president. For 13 years, Gaines served the Mount Vernon Ladies’ Association as vice regent for Florida, as regent and as a board member. Under her leadership, Mount Vernon completed building an orientation center, education center and museum as well as a George Washington Library, which opened in September 2013.