Former Northern Ireland international O'Neill played for several Scottish and English clubs before beginning his managerial career at GlebePark in 2006.
Millie Martin died in hospital during the early hours of 11 December, 2009 after being rushed there unconscious from her GlebePark home in Enniskillen.
David Scullion scored twice as Coleraine beat Glebe Rangers 5-2, Samuel Devine grabbed a brace in Ards' 3-1 success over Moyola Park and Mark Miskimmin notched a double in Glenavon's 5-2 win against Portstewart.