Saint Ivo of Kermartin, French canon lawyer (born 1253)

Ivo of Kermartin, TOSF, also known as Yvo, Yves, or Ives, was a parish priest among the poor of Louannec, the only one of his station to be canonized in the Middle Ages. He is the patron of Brittany, lawyers, and abandoned children. His feast day is 19 May. Poetically, he is referred to as "advocate of the poor".