John Yancey McGill ( born September 18 , 1952 ) is an American politician who served as the 90th Lieutenant Governor of South Carolina from June 2014 to January 2015 .
John Yancey McGill ( born September 18 , 1952 ) is an American politician from South Carolina . 
 He served as the 90th Lieutenant Governor of South Carolina from June 2014 to January 2015 .