The city was named after Gen. William Moultrie, the Revolutionary War hero after whom Fort Moultrie was named following the successful defense of Charleston, South Carolina, against the British under Peter Parker, an anniversary subsequently celebrated as Carolina Day.
Qyteti u emërua sipas William Moultrie, një hero revolucionar pas së cilës Fort Moultrie u emërua pas mbrojtjes së suksesshme të Charleston, South Carolina kundër britanikëve nën Peter Parker, një përvjetor që u festua më pas si Dita e Karolinës.