Catholic Encyclopedia - St. Senan, sixth-century Irish missionary, bishop, and confessor. Was revered even in his earthly life for his sanctity, being visited by Sts. Ciaran and Brendan. www.newadvent.org/cathen/13713a.htm
Catholic Online - Says that St. Senan met St. David of Wales. saints.catholic.org/saints/senan.html
For All the Saints - Gives as a variant name Senames of Inis Cathaigh. users.erols.com/saintpat/ss/0308.htm#sena