The Ecole Glossary: Colmán of Lindisfarne - Short profile of the chief defender of Celtic practices at the Synod of Whitby. - http://www2.evansville.edu/ecoleweb/glossary/colman.html
St. Colman - Monk of Iona, bishop of Lindisfarne, later founded the Abbey and Diocese of Mayo, d. 676. - http://www.newadvent.org/cathen/04115c.htm