Ceollach | |
|---|---|
| Bishop of Mercia | |
| Predecessor | Diuma |
| Successor | Trumhere |
Ceollach (or Cellach) was a medieval Bishop of Mercia. His consecration dates and death dates are unknown.[1] He was Irish by birth and was trained in Ireland.[2] Before his death, he left or resigned his see and went to the monastery of Iona.[3]