Our Sunday Visitor's Encyclopedia of Saints
https://books.google.co.uk/books?isbn=1931709750
Matthew Bunson, Margaret Bunson, Stephen Bunson - 2003 - Religion
St. Patrick placed Crummine over the church in Lachan (Leccuine), County Westmeath. Feast day: June 28. Ctesiphon O See Torquatus (May 15). Cuan (d. sixth ...The Book of Saints: - Google Books Result
https://books.google.co.uk/books?id=hpfmCgAAQBAJ
Saint Augustine's Abbey, Aeterna Press - 2015 - Religion
CRUMMINE (St.) Bp (June 28) (5th cent.) A disciple of St. Patrick, placed by him over the Church of Leccuine. CTESIPHON (St.) Bp (May 15) See SS.