Mary Irene Riston, 69, of Lusby passed away January 16, 2017 at Calvert Memorial Hospital. She was born August 15, 1947 in Washington, DC to George Richard and Mary Louise (Radike) Riston. Because of Mary's special needs she was a member of the ARC of Southern Maryland Community. Mary was preceded in death by her father George R. Riston, Sr., step father Harry Lee Hilton, III, brother George R. Riston, II, and sister JoAnn Riston.

Surviving are her mother Mary L. Hinton of Chesapeake Beach, brothers Mark E. Riston and his wife Cathy of Chesapeake Beach, Harry Lee Hilton, IV and his wife Denise of Huntingtown, and Edgar L. Hilton of Millington, MD; sisters Pamela J. Riston of Chesapeake Beach and Starlene Hilton of Churchton; 17 nieces and nephews and 20 great nieces and nephews. Arrangements by Rausch Funeral Home.