Charles Carnan Ridgely
He served as the 15th Governor of the state of Maryland in the United States from 1815 to 1818 . 
<triplet> Governor <subj> 15th <obj> has list <subj> Maryland <obj> applies to jurisdiction <triplet> Maryland <subj> Governor <obj> office held by head of government <subj> United States <obj> country <triplet> United States <subj> Maryland <obj> contains administrative territorial entity