Came to the colony with his brother Lionel. The Samson brothers were from a wealthy London family of English Jewry. William had Albany Lot B32 in 1833. William was appointed Government Auctioneer for no specific term and this office passed to his brother Lionel in 1835. Lionel moved to Perth leaving William in charge of the firm Lionel Samson and Son. Married Elizabeth Mary Pace at Fremantle on 18 June 1840. William decided to settle in South Australia in 1846 and the partnership with his brother was dissolved. William ran a successful auctioneers business until his death on 12 May1880 at North Adelaide, South Australia. His wife Elizabeth predeceased him - she died 2 September 1860 at Adelaide, South Australia at the age of 47 years.