Is naomh Criostai agus udar Soisceal Naofa Iosa Criost de reir Mharcais e Naomh Marcas Soiscealai ( Sean-Ghreigis : Μ?ρκο?; r. t. 15 ? b. Earrach na bliana 68). [1] Siombail Mharcais is ea an leon . San Eaglais Chaitliceach ceiliurtar Feile Mharcais ar 25 Aibrean .