MTU Interactive Village Map of Carrigtwohill Click a numbered site on the map, or choose from the key — each opens a short film about that place. 1 — Abbey Ruins, Old Cemetery & St David’s Church 2 — Poor Servants of the Mother of God (Field of a Cow) 3 — St Mary's RC Parish Church 4 — Former RIC Barracks 5 — St Mary's First National Mixed School (Fr Seymour's) 6 — Barryscourt Castle 7 — Rossmore's Tithe War of 1833