Tabanus: Some sources on him:
1812: baptized 24 Aug. 1812 in Mitchel Troy, Monmouthshire, Wales (Monmouthshire Parish Register)
1830: ? La Bourdonnais vs Pelling, 1830 ?
1839: Upper Thames-street, iron merchant (Birmingham Journal, 8 June 1839, p. 8)
1842: Upper Thames-st. iron merchant (Perry's Bankrupt Gazette, 16 April 1842)
1851: iron merchant, 38, born in Chepstow, unmarried, visitor in Hamlet Of Penge, Surrey (census)
1851: esq., London (directory)
1855: independent gentleman, residing at Sydenham-hill (Morning Advertizer)
1856: 10 New Broad st. mews, & Upper Sydenham hill, Kent (dir.)
1856: iron mer. 10 New Broad st. mews (directory)
1861: Mr., an amateur remarkable for the brilliancy and rapidity of his combinations, introduced to England <about 25 years ago> the move 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 <Qh4> (Illustrated London News)
1862: Esq., member of the standing committee for the Grand International Chess Congress and Tournament of 1862 (Illustrated London News)
1866: aged 53, died Apr-May-June 1866 in Lewisham, London (England and Wales Death Registration Index) (London Deaths: buried 4 May, Norwood Cemetery, Lambeth)
1866: The most rapid, and at the same time the most brilliant, English player of the last thirty years was Mr. Wellington Pulling, whose death, recently, will be regretted by all who knew him (Staunton in The Illustrated London News, 26 May 1866 (not seen by Tab))
1867: esq., Park road (of Sydenham Kent) (directory, probably not updated)
I'm only 99% sure these are all the same person.