David Sydney Waterlow (18 December 1857 – 25 August 1924), was a British Liberal Party politician and businessman.
He was born in Highgate, he was the fourth son of Sir Sydney Waterlow, a Liberal Member of Parliament.
He was a member of the London County Council, sitting for St Pancras North for the Liberal backed Progressive Party, from 1898 to 1910.
[1][2] Waterlow remained active in politics: he was selected as Liberal prospective candidate for the parliamentary constituency of Mid Norfolk in 1912, but did not contest an election there.
[1] David Waterlow's sister, Mrs. Ruth Homan, was also politically active, being a member of the London School Board for Tower Hamlets.