Saint Donan is a Christian saint known for his missionary work in the early medieval period. He is often associated with the region of Scotland, particularly the Hebrides, where he is believed to have spread Christianity among the local population. His life and deeds are celebrated in various hagiographies, which recount his dedication to faith and community. According to tradition, Saint Donan founded a monastery on the island of Eigg, where he and his followers lived a life of prayer and service. His legacy is honored in local folklore, and he is considered a patron saint of the area. His feast day is celebrated on April 17.