He was one of the few prime ministers (others include Henry Pelham, William Pitt the Younger, Bonar Law, Ramsay MacDonald, Neville Chamberlain, Sir Winston Churchill, George Canning, Spencer Perceval, William Ewart Gladstone, Edward Heath, John Major, Tony Blair and Gordon Brown) who never acceded to the peerage.
The town of Grenville, Quebec, was named after George Grenville.