Catholic Encyclopedia - Also known as St. Trasilla or Tharsilla. An aunt of Pope St. Gregory I, dedicated to virginity, d. 24 December. www.newadvent.org/cathen/15026a.htm
Catholic Online - Very brief summary. saints.catholic.org/saints/tarsilla.html
For All the Saints - Very brief biography of St. Tarsilla. users.erols.com/saintpat/ss/1224.htm#tars
