1) Irish surname 
Caomhánach (Caoṁánaċ in traditional Gaelic type, pronounced Kav-na or Ka-va-na) is an Irish Gaelic surname that was first assumed by Domhnall, eldest son of the 12th century King of Leinster, Diarmait Mac Murchada (Dermot MacMurrough) in Ireland. A considerable number of anglicised variations of Caomhánach exist (see: Variations of Name), so...