« Reply #2 on: Sunday 31 August 08 15:36 BST (UK) »
Well, there is a baptism for a George Manning Rees in St Martin's, Haverfordwest son of William & Mary , but it's 27/7/1828 so probably not likely.
Also this one in St Mary's, Haverfordwest batch C081081
George son of David Rees & Ann, born 2/12/1802 baptised 29/1/1807

Cornwall: Allen, Bevan, Bosisto, Carnpezzack, Donithorn, Huddy, James, Retallack, Russell, Vincent, Yeoman
Cards: Thomas (Llanbadarn Fawr)
Glam: Bowler, Cram, Galloway, James, Thomas, Watkins
Lincs: Coupland, Cram
Mon: Cram, Gwyn, John, Philpot, Smart, Watkins
Pembs: Edwards (St. Dogmael's)
Yorks: Airey, Bowler, Elliott, Hare, Hewitt, Kellett, Kemp, Stephenson, Tebb