Mary Alden Osgood Childers was an American-born Irish writer and Irish nationalist. She was the daughter of Dr. Hamilton Osgood and Margaret Cushing Osgood of Beacon Hill, Boston, Massachusetts. Her older sister was Gretchen Osgood Warren. Molly married the writer and Irish nationalist, Erskine Childers. Their son, Erskine Hamilton Childers, became the fourth President of Ireland.