Charles Carroll of Carrollton did not have any surviving sisters at the time of his death. His father Charles Carroll of Annapolis did have a sister named Mary, but he was born in 1702 and died in 1783. I checked for another potential Charles but have seen none born in 1723... The Closest I can find is Charles Carroll "The Barrister, who was born March 22, 1724. I dont know his sibs.