The Province of Maryland was a proprietary colony, in the hands of the Calvert family, who held it from 1633 to 1689, and again from 1715 to 1776. George Calvert, 1st Baron Baltimore (1580–1632) is often regarded as the founder of Maryland, but he died before the colony could be organized.
ProprietorTerm1Cecil Calvert, 2nd Baron Baltimore15 April 1632–30 November 16752Charles Calvert, 3rd Baron Baltimore30 November 1675–1689Vacant3Charles Calvert, 5th Baron Baltimore16 April 1715–24 April 17514Frederick Calvert, 6th Baron Baltimore24 April 1751–4 September 17715Henry Harford4 September 1771–4 July 1776
See also Baron Baltimore Loyalist (American Revolution)
External links Calvert Family Tree Retrieved Jul 10 2013