Maryland

Proprietary and Parliamentary Governors
1634-1645   Leonard Calvert
1645-1646   Captain Richard Ingle
1646-1647   Leonard Calvert
1646-1646   Captain Edward Hill
1646-1647   Leonard Calvert
1647-1649   Thomas Greene
1649-1652   William Stone
1649-1649   Thomas Greene (Acting)
1650-1650   Thomas Hatton (Acting)
1652-1656   William Stone
1657-1660   Josias Fendall
1657-1658   Luke Barber (Acting)
1661-1661   Philip Calvert
1661-1676   Charles Calvert
1676-1676   Jesse Wharton
1676-1679   Thomas Notley
1679-1684   Charles Calvert
1678-1684   Charles Calvert (Lord Proprietary)
1684-1688   (Council of Deputy Governors)
1688-1689   William Joseph

Royal Governors
1689-1690   John Coode
1691-1692   Nehemiah Blakiston
1692-1693   Sir Lionel Copley
1693-1693   Sir Thomas Lawrence
1693-1693   Sir Edmund Andros
1693-1694   Colonel Nicholas Greenberry
1694-1694   Sir Edmund Andros
1694-1694   Sir Thomas Lawrence
1694-1698   Sir Francis Nicholson
1698-1702   Colonel Nathaniel Blakiston
1702-1704   Thomas Tench
1704-1709   Colonel John Seymour
1709-1714   Major General Edward Lloyd
1714-1715   John Hart

Restored Proprietary Governors
1715-1720   John Hart
1720-1720   Thomas Brook
1721-1727   Charles Calvert
1727-1731   Benedict Leonard Calvert
1731-1732   Samuel Ogle
1732-1733   Charles Calvert
1733-1742   Samuel Ogle
1742-1746   Thomas Bladen
1746-1752   Samuel Ogle
1752-1753   Benjamin Tasker
1753-1769   Horatio Sharpe
1769-1776   Robert Eden

State Governors, 1776 Constitution
1777-1779   Thomas Johnson
1779-1782   Thomas Sim Lee
1782-1785   William Paca
1785-1788   William Smallwood
1788-1791   John Eager Howard
1791-1792   George Plater
1792-1792   James Brice (Acting)
1792-1794   Thomas Sim Lee
1794-1797   John Hoskins Stone
1797-1798   John Henry
1798-1801   Benjamin Ogle
1801-1803   John Francis Mercer
1803-1806   Robert Bowie
1806-1809   Robert Wright
1809-1811   Edward Lloyd
1811-1812   Robert Bowie
1812-1816   Levin Winder
1816-1819   Charles Ridgely of Hampton
1819-1819   Charles Goldsborough
1819-1822   Samuel Sprigg
1822-1826   Samuel Stevens, Jr.
1826-1829   Joseph Kent
1829-1830   Daniel Martin
1830-1831   Thomas King Carroll
1831-1831   Daniel Martin
1831-1833   George Howard
1833-1836   James Thomas
1836-1839   Thomas W. Veazey

State Governors, 1838 Constitutional Amendments
1839-1842   William Grason
1842-1845   Francis Thomas
1845-1848   Thomas G. Pratt
1848-1851   Philip Francis Thomas
1851-1854   Enoch Louis Lowe

State Governors, 1851 Constitution
1854-1858   Thomas Watkins Ligon
1858-1862   Thomas Holliday Hicks
1862-1866   Augustus W. Bradford

State Governor, 1864 Constitution
1866-1869  Thomas Swann

State Governors, 1867 Constitution
1869-1872   Oden Bowie
1872-1874   William Pinkney Whyte
1874-1876   James Black Groome
1876-1880   John Lee Carroll
1880-1884   William T. Hamilton
1884-1885   Robert M. McLane
1885-1888   Henry Lloyd
1888-1892   Elihu E. Jackson
1892-1896   Frank Brown
1896-1900   Lloyd Lowndes
1900-1904   John Walter Smith
1904-1908   Edwin Warfield
1908-1912   Austin L. Crothers
1912-1916   Phillips Lee Goldsborough
1916-1920   Emerson C. Harrington
1920-1935   Albert C. Ritchie
1935-1939   Harry W. Nice
1939-1947   Herbert R. O'Conor
1947-1951   William Preston Lane, Jr.
1951-1959   Theodore R. McKeldin
1959-1967   J. Millard Tawes
1967-1969   Spiro T. Agnew
1969-1979   Marvin Mandel
1979-1979   Blair Lee III (Acting)
1979-1987   Harry R. Hughes
1987-1995   William Donald Schaefer
1995-2003   Parris N. Glendening
2003 now   Robert L. Ehrlich, Jr.

Reference
Maryland State Archives, Governors of Maryland, 1634-