Donnchadh

Gaelic form of DUNCAN.

DUNCAN   male   Scottish, English
Anglicized form of the Gaelic name Donnchadh meaning "brown warrior", derived from Gaelic donn "brown" and cath "warrior". This was the name of two kings of Scotland, including the one who was featured in Shakespeare's play 'Macbeth' (1606).
EQUIVALENTS
ENGLISH: Duncan
IRISH: Donagh, Donnchad, Donnchadh
SCOTTISH: Donnchad, Donnchadh, Duncan