Malo - Also known as Maclou or Mahou. Possibly some confusion about dates in this sketch of the saint. - http://www.saintpatrickdc.org/ss/1115.htm#maho
St. Machutus - Also called Malo or Maclovius. According to this article, Machutus was baptized by St. Brendan the Navigator, and accompanied him on his famous voyage. - http://www.newadvent.org/cathen/09503a.htm