MacParland, McPartlan, McPartlin, Mac Parthaláin, MacFarland This Gaelic surname means ‘son of Bartholomew’. Partholón in legend was the first invador of Ireland, 278 years after the death of Noah. A sept of Oriel whose territory was near Keady in Armagh. Also a Scottish surname of Galloway. In 1890 McPartland was principally found in Armagh, McPartlan and McPartlin in Leitrim, and the estimated number of bearers was 2,465 (all variants). McFarland was principally found in Tyrone and Armagh, and the estimated number of bearers was 2,060. In the United States McFarland is the 816th most numerous surname with an estimated 41,250 bearers.