Pte Anderson was in "D" Coy. 1st/22nd Battalion of the London Regiment.
He was killed on 7th June 1917, aged 21.
William was the son of
Samuel and Louisa Anderson, of 27, Station Avenue, Prittlewell, Southend-on-Sea, Essex.
He is also remembered on Panels 52 to 54, YPRES (MENIN GATE) MEMORIAL