Katrionaugh \k(a)-trionau-gh, kat-rio-naugh\ as a girl's name is a variant of Catherine (Greek), and the meaning of Katrionaugh is "pure".
The baby name Katrionaugh sounds like Kaitrionaugh and Katrionagh. Other similar baby names are Catrionagh, Katriona and Caitrionagh.