^Ó Tomhnra, Library Ireland (www.libraryireland.com), retrieved 25 November 2010 which is a transcription of: Woulfe, Patrick (1923), Irish Names and Surnames
^Ó Tomhnra, Library Ireland (www.libraryireland.com), retrieved 25 November 2010 which is a transcription of: Woulfe, Patrick (1923), Irish Names and Surnames