Colmán Mac an Chrosáin has plated a central role in the Irish langauge community in Strabane for a number of years, as well as in the development of Gaelscoil Uí Dhochartaigh in Strabane. Colmán is the Chairperson of the school’s Board of Governors, and is a vice-chairperson of Gaelphobal an tSrátha Báin, the local Irish language group in the area.