He was the son of John Philip Malleson and Anna Sophia Malleson and was born in Hove.
He married Catherine ('Katie') Ellen. In the 1861 census he was listed as a wine merchant, aged 31, living with his wife and three children in Hampstead. By 1881 they were living with a son in Croydon. By 1911 he had retired and he and his wife were staying with one son in Great Tew, Oxfordshire.
In April 1892 he bought Symphony in Grey and Green: The Ocean y072. He was then living in Croydon. It is not known when he sold it, but by 1904 it was owned by Richard Canfield.
1961-11 UK censuses, Ancestry.com.