Background
Mannix, Mary Katherine was born on July 11, 1960 in Long Branch, New Jersey, United States. Daughter of John Francis Xavier and Catherine Alberta (Miles) Mannix.
Mannix, Mary Katherine was born on July 11, 1960 in Long Branch, New Jersey, United States. Daughter of John Francis Xavier and Catherine Alberta (Miles) Mannix.
Bachelor, Hood College, Frederick, Maryland, 1982. Master of Arts, University Delaware, 1984. Museum Studies certified, University Delaware, 1984.
History site surveyer State of Delaware Bureau of Archaeology and History Preservation, Dover, 1984. Assistant prints and photographs librarian Maryland History Society, Baltimore, 1985-1986. History preservation analyst Baltimore City Commission for History and Architectural Preservation, 1986-1988.
Senior research assistant PAC Spero & Company, Baltimore, 1988-1989. Director library and research center Howard County History Society, Ellicott City, Maryland, since 1989.
Member MidAtlantic Regional Archives Conference.