Boston College Gaelic Roots Festival is primarily documented through audio and video recordings of music and dance performances and lectures. There are also extensive color snapshot photographs of the festival, and these include classes and workshops as well as concerts and lectures. A smaller amount of paper and born-digital files from Séamus Connolly and Chrysandra Walter capture event planning through correspondence, class descriptions, evaluations, press releases, artist schedules, performer head shots and biographies, radio spot scripts, newspaper clippings, and drafts of the festival programs. The records also include a finalized program for each year.

Recordings become more robust over the years. The first festival was only captured in audio but by the 2000s documented on audio plus two different video feeds, with an "A" and "B" camera capturing different angles of the stage (often "A" was fixed and "B" was roving).

Printed programs were produced in small newspaper format and published in advance of the festival and include festival highlights, letters from the festival director and Boston College president, instructor biographies, registration forms, and a full schedule listing performers.

Boston College Gaelic Roots Music, Song, Dance, Workshop, and Lecture Series materials are described separately from the Festival materials.