Lord Cochrane of Cults married Lady Gertrude, daughter of
George Boyle, 6th Earl of Glasgow, in 1880. They had four sons and four daughters, of whom one son and two daughters predeceased their parents. Their second and third sons respectively,
Sir Archibald Cochrane and Air Chief Marshal
Sir Ralph Cochrane, both gained distinction. Lady Cochrane of Cults was appointed an
OBE in 1920. She died in December 1950, aged 89. Lord Cochrane of Cults only survived her by a month and died in January 1951, aged 93. He was succeeded in the barony by his eldest son Major the Hon. Thomas Cochrane. ==Arms==