St. Coman of Ireland was a 7th-century Christian monk and abbot known for founding the monastery at Roscommon. He is celebrated for his contributions to the spread of Christianity in Ireland and is often associated with the early monastic movement that played a crucial role in the country's religious development. His feast day is observed on September 21, and he is recognized for his piety and dedication to monastic life. St. Coman's legacy continues to be honored in various churches and communities throughout Ireland, reflecting the enduring impact of early saints on Irish culture and spirituality.