Katrionagh \k(a)-triona-gh, kat-rio-nagh\ as a girl's name is a variant of Katherine (Greek) and Katrina, and the meaning of Katrionagh is "pure".

The baby name Katrionagh sounds like Katrionaugh and Catrionagh. Other similar baby names are Katriona, Kaitrionaugh and Caitrionagh.