Ruaidri Dáll Ó Catháin

Ruaidrí Dáll Ó Catháin (anglicized: Rory Dall O'Cahan) may have been an Irish harper and composer, said to have been born circa 1580 in County Antrim and to have died circa 1653 at Eglinton Castle. Some historians believe him to be a fictional creation of folk myth.