52 St Giles High Street in London PO Directory 1841155

Thomas may have been made bankrupt in 1831, in partnership with John Frank, linen drapers (The Standard, London, Oct 12 1831)161

1851 directory shows him at 100 Bishopsgate, age 48, unmarried, assistant, brother to Henry Parnall155

1851 Census, 30 March. PRO Ref. HO 107, Piece 1524, Folio 576. St Botolph,
London, Middlesex. Address 100 Bishopsgate Street. Henry PARNELL, Head, Unm,
Age 40, Clothiers Cutter Shopman, birthplace Lampley, Pembroke. Thomas
PARNELL, Brother, Unm, Age 48, Assistants, birthplace Lampley, Wales.
Elizabeth HENDERSON, Serv, Wid, Age 45, Housekeeper, birthplace Whitechapel,
Middlesex.155

May be the ‘Henry” buried ay Abney Park, error in transcription? Dates coincide.