Hi Fozzie
Remember me?
From SMI:
23   May   1786   Samuel   BANNISTER   Mary   STONEHAM   Hastings All Saints, East Sussex
 9   Oct   1804   Samuel   BANISTER   Harriet   WIMARK   Peasmarsh, East Sussex
24   Apr   1815   Samuel   BANNISTER   Ann   POOLEY   Brede, East Sussex
24   May   1820   Samuel   BANNISTER   Diana   PEARCE   Ore, East Sussex
 1   Oct   1830   Samuel   BANNISTER   Mary Ann   WOOD   Brighton, East Sussex
25   Dec   1834   Samuel   BANNISTER   Eliza Rosetta   CHATFIELD   Brighton, East Sussex
Diana Pearce looks favourite.  The 1786 marriage could be Samuel's parents.
I hope that this helps.
Take care
Roger