Career
He served as Treasurer of the Household from 1891 to 1892 under Lord Salisbury. He was educated at Eton and Christ Church, Oxford. In 1891 he was sworn of the Privy Council and appointed Treasurer of the Household under Lord Salisbury, a post he retained until the government fell the following year.
Gordon-Lennox married Alice Ogilvie-Grant, daughter of The Honourable George Henry Ogilvie-Grant and granddaughter of Francis Ogilvy-Grant, 6th Earl of Seafield, on 6 July 1889.
They had at least one child, Victor Charles Hugh Gordon-Lennox (1897–1967). Gordon-Lennox died in October 1922, aged 57.
Lady Walter Gordon-Lennox died in March 1946, aged 90.