Fonds comprises the records of William Edward Maclellan and his family's records, including those of including William Edward and Margaret Jane (Mackenzie) Maclellan; Edward Kirkpatrick and Helen Stewart (Mackay) Maclellan; Robert (Bob) William and Delphine Caroline (Wallace) Maclellan; Jean Stewart Maclellan; Robert William Maclellan; and David Kirkpatrick Stewart Maclellan. Record types include correspondence, photographs, films, newspaper clippings, poems, certificates, booklets, periodicals, notebooks and genealogical charts.

Series consists of Edward Kirkpatrick Maclellan and Helen Stewart (Mackay) Maclellan's correspondence, photographs, newspaper clippings, periodicals, booklets, a marriage certificate and a cookbook.