
1) Anglicised Irish surname 2) Scottish surname
Found on
https://www.crosswordclues.com/clue/mcgowan

McGowan is an English language surname. It is an Anglicization of the Irish and Scottish surname Mac Gobhann. ==A surname of ancient Gael royals== Mac Gowan, sometimes, McGowan or, simply, Gowan, is a surname of ancient Gael royals. The MacGowan were one of a group of ancient Dál Fiatach dynasties that ruled Gaelic Ireland`s Ulaidh nation or Ulu....
Found on
http://en.wikipedia.org/wiki/McGowan

The USS McGowan was an American Improved Fletcher Class destroyer of 2050 tons displacement launched in 1943. The USS McGowan was powered by four Babcock and Wilcox boilers providing a top speed of 36 knots. She carried a complement of 353 and was armed with five 5 inch guns; ten 40 mm anti-aircraft guns; eight 20 mm anti-aircraft guns and ten 21 i...
Found on
http://www.probertencyclopaedia.com/browse/RM.HTM
No exact match found.