Barbara Bush has yet to be married.
Barbara Bush . She met George Herbert Walker Bush at age 16 , and the two married in Rye , New York in 1945 , while he was on leave during his deployment as a Naval officer in World War II . First Lady of the United States ( FLOTUS ) is the informal but accepted title held by the wife of the President of the United States , concurrent with the president 's term of office . There are five living former first ladies : Rosalynn Carter , wife of Jimmy Carter ; Barbara Bush , wife of George H. W. Bush ; Hillary Clinton , wife of Bill Clinton ; Laura Bush , wife of George W. Bush ; and Michelle Obama , wife of Barack Obama .