Asteroid 2779, Mary, was discovered on February 6, 1981 by Norman G. Thomas at the Anderson Mesa Unit of Lowell Observatory near Flagstaff, Arizona. It has a period of 3 years, 106 days and is a little less than 4 miles in diameter.
It was named by Norman Thomas for his wife, Maryanna.
Asteroid Mary seems to indicate feminine or childish purity (John Chellis).