Ballygrainey railway station was on the Belfast and County Down Railway which ran from Belfast to Donaghadee in Northern Ireland.
The station was opened by the Belfast and County Down Railway on 3 June 1861 as 'Groomsport & Bangor'.
It was later renamed 'Groomsport Road' and finally 'Ballygrainey'.
The station closed to passengers in 1950, by which time it had been taken over by the Ulster Transport Authority.
This article on a railway station in Northern Ireland is a stub.