Elizabeth Ann Bloomer Warren Ford ( born April 8 , 1918 ) is the wife of Gerald R. Ford , the 38th President of the United States . She acted as the First Lady of the United States from 1974 to 1977 . Elizabeth Ann Bloomer Warren Ford ( born April 8 , 1918 ) , better known as Betty Ford is the widow of former United States President Gerald R. Ford and served as the First Lady of the United States from 1974 to 1977 .