Dún Lúiche / Dunlewy is a village in a Gaeltacht area of NW Donegal. Dunlewey is a spelling variant.
There are numerous streets in Belfast named after places in Donegal but Dunlewey Street is not part of a Donegal-themed cluster.
“They have… named two streets off Falls Road Dunlewey Street and Derby Street”. The minutes of the Town Improvement Committee of 1 December 1879.