a surname derived from lands in Renfrewshire, possessed by an ancient
family of that name for some centuries. Early in the 14th
century Easter Caldwell was obtained in marriage with a daughter of the
family of Caldwell, by Gilchrist Mure. (See MURE.) In 1753, Wester
Caldwell was purchased by Baron Mure of Caldwell.
born at Prestwick, Ayrshire, died 1539, became a merchant in Enniskillen.
His son was created a baronet of Ireland 23d June 1683. The great-grandson
of the latter, Sir James Caldwell, was created a count of Milan in the
Holy Roman empire in 1749, and the latter title remains in the family. The
second baronet was a distinguished officer in the Austrian service, and
the fifth was treasurer-general of Lower Canada.