Erc

Etymology
From (modern 🇨🇬), a word for which the electronic Dictionary of the Irish language gives several meanings, but the most likely meaning for the name is "spotted, speckled, motley," from, ultimately from.

Proper noun

 * 1)  A member of the conspiracy that killed Cúchulainn, but was killed by his second cousin Conall the Victorious. Son of Cairbre Nia Fer and brother of Achall.