Dallán Forgaill
| Saint Dallán Forgaill | |
|---|---|
| Born | c. 560 Magh Slécht, County Cavan, Ireland | 
| Died | c. 640 Inniskeel, County Donegal, Ireland | 
| Venerated in | Roman Catholic Church Eastern Orthodox Church | 
| Feast | 29 January | 
Eochaid mac Colla (c. 560 – 640), better known as Saint Dallán or Dallán Forgaill (Old Irish: Dallán Forchella; Latin: Dallanus Forcellius; Primitive Irish: Dallagnas Worgēllas), was an early Christian Irish poet and saint known as the writer of the "Amra Coluim Chille" ("Elegy of Saint Columba") and, traditionally, "Rop Tú Mo Baile" ("Be Thou My Vision").