St. Abban of Magheranoidhe (Magheranoidhe is also rendered Murneave or Murnevin), was a nephew of St. Ibar, the apostle of Wexford (a predecessor and contemporary of St. Patrick), flourished 570-620. He was the son of Cormac, King of Leinster , and he founded numerous churches in the district of Ui Cennselaigh , almost conterminous with the present County Wexford and Diocese of Ferns . His principal monastery was at Magheranoidhe , subsequently known as "Abbanstown ," today, Adamstown; but he also founded an abbey at Rosmic-treoin , or New Ross, which afterwards became famous as a scholastic establishment. He died March 16, 620.

See also Saint Abban of New Ross.