Mary Ann was educated at the Pennsylvania Academy of Fine Arts in Philadelphia, and was granted a full four year art scholarship to St. Mary of the Woods College in Indiana.
She has raised five children, making her living by marketing her artwork and performing folk music throughout Florida, She has found great inspiration for her art and music in the folk community of Florida., and in the Seminole indian people. Chief James Billie, chairman of the Seminole Nation, has commissioned and purchased many of her portraits of his people and their way of life.
Mary Ann works in all media, but water colour and oil are her favorite means of expression.
She teaches basic and advanced watercolour and drawing in her tampa studio, and continues her avid interest in American Indian people via traveling, photographing and painting throughout the United States, Ireland and Great Britain.
Mary Ann was commissioned by Sotheby Parke Bernét to do ten murals on wood panels depicting Southwestern Indian Culture in 1980. These now reside in Lake Tahoe, Nevada.
She has won over fifty awards in art competitions throughout Florida. paintings and limited editions of her prints are in numerous private collections in the United States, Ireland, England and Canada.
Mary Ann was commissioned to portray "Hernando Desoto in the America's" by a private corporation which is donating partial sales for the prints of this work to the Florida Bureau of Public Lands, She also has just completed a poster in health and well being commissioned by the governer's council on physical fitness, twenty five thousand of these have been distributed to school and recreation centers throughout Florida.
Mary Ann also has her artwork featured on Luna Guitars.
Mary Ann singing with her daugher Jeannie McCormick at Will McLean Festival