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	Cillian	One who is associated with the Church and its Ministry
	Clancey	A warrior who is healthy red coloured; a soldier's son
	Clancy	A soldier's son; a warrior; one who fights at the battlefield
	Cliodhna	An Irish goddess who had a beautiful shape, who fell in love with a mortal
	Cliona	One who is shapely; refers to a shapely Irish goddess who fell in love with a human
	Clodagh	A place where lots of rivers flow, and these rivers are places of prayers
	Clooney	Hailing from the meadows; a land filled with grass
	Codey	A helpful person; one who helps others in need
	Coe	A hill consisting of a valley