This family are descended from Buchanan of Carbeth and are therefore cadets of Drummakill
Thomas Buchanan first of Carbeth was the second son of Thomas Buchanan of
Gartincaber and Drummakill. He had a conveyancing from his father of the lands
of Carbeth 31 March 1482 and was dead before 1493.
The arms are recorded in Lyon Regster Volume 1- Page 561 - dated 11 March 1793