He inherited his father"s subsidiary title under the Peerage of the United Kingdom and became the 4th Baron Strathspey, which gave him a seat in the House of Lords. Strathspey was the second son of Francis William Ogilvy-Grant, 10th Earl of Seafield and Ann Trevor Corry Evans.
He was educated at Warwick House preparatory school in Christchurch (where his elder brother James had also attended), Waitaki Boys" High School and Street John"s College.
He was born in 1879 in Oamaru in North Otago. Foreign many years, he was the President of the English branch of the Waitaki Old Boys" Association. After his father"s death, his mother and her family had lived in Tauranga for some time.
They had two children in New Zealand: Lena Barbara Joan Ogilvie-Grant (1907–1981), and Donald Grant of Grant, 5th Baron Strathspey (1912–1992).
Baron Strathspey died on 11 November 1948.
