The name McCloskey is well established in the Northern Ireland counties of Donegal, Fermanagh, Londonderry, Monaghan, Armagh, and Antrim. MacCloskey and MacCluskey are anglicized versions of the gaelic surname Mac Bhloscaidh and is a branch of the of the Northern Uí Néill, who claim descent from Eógan mac Néill, son of Niall of the Nine Hostages. Variants include: McCloskey, McCluskey, McLoskey, McLuskie. This project will be especially of interest to men who are either: • a surname match; or • a Y-DNA match. We also welcome participants with autosomal and mitochondrial results.