Hi Alan

Can I have a gold star, please? ;)

1796 Gore's Trade Directory for Liverpool - only 2 Smiths who are cabinet makers:
Smith John, cabinet maker, 69 Paradise St
Smith William, cabinet maker, 34 Dale St

From the IGI, only 2 likely matches for births:
John Smith born 11 Oct 1791, bap. 23 Oct 1791 St Nicholas, Liverpool, father John Smith, mother Sarah
John Smith born 28 Feb 1793 bap. 14 Apr 1793 St Peter, Liverpool, father John Smith, mother Alice

Also from the IGI:
John Smith married Sarah BENNETT 8 July 1787, St Nicholas, Liverpool!