Background
Hay was the third son of George Hay-Drummond, 12th Earl of Kinnoull and Lady Emily Somerset, daughter of Henry Somerset, 7th Duke of Beaufort.
Hay was the third son of George Hay-Drummond, 12th Earl of Kinnoull and Lady Emily Somerset, daughter of Henry Somerset, 7th Duke of Beaufort.
His titles were Earl of Kinnoull, Viscount Dupplin and Lord Hay of Kinfauns in the Peerage of Scotland. And Baron Hay of Pedwardine in the Peerage of Great Britain. He was commissioned into the Royal Perthshire Militia in 1872 and later joined the Black Watch, with whom he fought in the 1882 Anglo-Egyptian War.
He was awarded the Ottoman Order of Osmanieh.
He served in Egypt as chief of staff to Baker Pasha. He also acted as colonel of the Egyptian Gendarmerie.
He was also a collector. His china and furniture from Dupplin Castle fetched "good prices" when sold at auction at Christie"s in May 1911.
Later that year his library netted more than £2,700 (equivalent to £245,573 in 2016).