I also have in my records a son Thomas (no further details on him or his parents John POCKET and Elizabeth HOSKINS) I take it you are talking about the William POCKETT who was born in 1854, bapt 16-4-1854, marr Emily MORGAN Mar Quarter 1879 in Wakefield District YKS and died 17-1-1920 at Lake McQuarie NSW, Aust & buried at KurriKurri NSW. Emily died 1918
They had children Isaac, sarah, George, Frederick, Ernest and a male child who died before 1920. I do have their birth dates and some death dates if you don't have them.