Mary DesRosiers is a New Hampshire native who has been calling traditional American dances for over thirty years. She has taught the contra and square dances and singing games of New England to audiences of all ages in town halls, schools, and at music festivals around the country. Mary makes learning the old-time dance steps easy and fun, and adds humor and a touch of historical context to every performance. She is dedicated to preserving the heritage of old-time music and dancing for all to share. She is a member of the New Hampshire Touring Artist Roster, the New Hampshire Folkarts Roster, and the New Hampshire Arts in Education Roster. She has also received funding for programs from the Childrens' Library Association, The Monadnock Folklore Society, and the Monadnock Center for History and Culture. Mary was selected to represent New Hampshire at the 1999 Smithsonian Festival in Washington D.C.
Mary also offers programs in some of the ritual dances of England, including longsword, morris, garland, and the Abbot's Bromley horn dance. She has taught the Christmas Mummers Play with its song and dance elements, and is available for holiday residencies.