There is a 50 yr old Samuel Sheen, undertaker, still alive in Church Lane, Whitechapel in 1841.
With him: Samuel Sheen, apprentice undertaker, 15, and Eleanor Sheen, 50.
Is this (Samuel snr) perhaps Thomas’s son - a different person therefore from your Samuel?
Samuel (snr), undertaker, and wife “Ellen” in 1851, still in Church Lane: HO107/1546/247/33.