Background
Styled Earl of Cassilis from birth, he was born at Berkeley Square, London, the eldest son of Archibald Kennedy, 3rd Marquess of Ailsa, and the Honourable Evelyn, daughter of Charles Stuart, 12th Lord Blantyre.
Styled Earl of Cassilis from birth, he was born at Berkeley Square, London, the eldest son of Archibald Kennedy, 3rd Marquess of Ailsa, and the Honourable Evelyn, daughter of Charles Stuart, 12th Lord Blantyre.
He was educated at Eton and Trinity College, Cambridge and Edinburgh University, and was admitted as an advocate in 1897.
Following the end of hostilities in early June 1902, he left Cape Town on board the Steamship Wakool, and arrived at Southampton the next month. He was promoted to major, and later served in the First World War. He was also a Deputy Lieutenant of Ayrshire and a Fellow of the Royal Scottish Geographical Society.
In April 1938, aged 65, he succeeded his father in the marquessate.
Lord Ailsa married Frances Emily McTaggart-Stewart, daughter of Sir Mark MacTaggart-Stewart, 1st Baronet, on 20 April 1903. They had no children.
The Marchioness of Ailsa died in October 1949.