sentences:  Many of the counties in Maryland were named for relatives of the Barons Baltimore, who were the proprietors of the Maryland colony from its founding in 1634 through 1771.The Barons Baltimore were Catholic, and George Calvert, 1st Baron Baltimore, originally intended that the colony be a haven for English Catholics, though for most of its history Maryland has had a majority of Protestants.The last new county formation in Maryland occurred when Garrett County was formed in 1872 from portions of Allegany County.