Cathal,MacCathail. CahillClan Aran Scarf- Reviews The CahillClan Aran Scarf is a wonderful item of Cahillheritage which will be cherished by the wearer for generations to come. Lovingly crafted from the finest 100% soft new wool, this Aran wool scarf has been created following the unique CahillClan Aran pattern. Measuring 10” x 60” Cahill Clan Scarf