Nerio was one of the Roman goddesses of war and a wife of Mars. Her name is among the many intriguing names that mean strong.

An anglicized spelling of Irish Ardghal, this name is most famously borne by Ardal O'Hanlon, an actor, author and stand-up comedian best known for his role as Dougal Maguire in the comedy series Father Ted.

Despite its virtuous meaning, Fergall - along with the more standard spellings Fergal, Ferghal and Fearghal - has never made it across the ocean. In the States, Fergall is a rare yet pronounceable name with strong ties to Ireland. In its native land, it's been worn for over a thousand years by everyone from chieftains to poets to sportsmen, and still appears steadily in birth records.