Ballyhay () is a townland near Donaghadee in County Down, Northern Ireland. It is in the civil parish of Donaghadee and the historic barony of Ards Lower. It is called Bellyhie in Ulster-Scots. Ballyhay is a rural farming community with much land used for arable and pasture farming. There are records of a church flourishing in the area since the late 13th to early 14th centuries. Transport is available via the Number 7 bus (Moss road/Windmill road, Killaughey road) which travels from Millisle to Belfast via the Moss road. References History From Headstones Townlands of County Down Civil parish of Donaghadee