 A statue of Milligan, crafted by Richard Westmacott in May 1809, stood in front of the Museum of London Docklands.The statue was removed on 9 June 2020 by the local authority to "recognise the wishes of the community", following the removal of Edward Colston's statue in Bristol by anti-racism protesters in response to the killing of George Floyd.Milligan has also had a local street named after him