This essay describes an online, digital corpus of Gaelic folklore collected by the late Calum Maclean (1915-1960), Scotland’s most prolific ethnology fieldworker. The collection consists of over 13,000 transcribed items recorded primarily in Gaelic with English summaries provided. Technical aspects of the resource, along with its uses in ethnological research are summarized. The project was carried out with funding from the Arts and Humanities Research Council (United Kingdom).