1) Ulster Cycle character 
Achall, daughter of Cairbre Nia Fer, king of Tara, and his wife Fedelm Noíchrothach, is a minor character from the Ulster Cycle of Irish mythology. After her brother Erc was killed by Conall Cernach, she died of grief on a hill near Tara, which was named Achall after her. The legendary High King of Ireland Túathal Techtmar is said to have taken ...