I am pretty sure it is Critty (not Gritty) Smith because he was my great great grandfather and I heard his name spoken by his grand-daughter, Lilah GUMBLE.
This is the marriage referred to earlier in the thread:
MDX[15] Gt Stanmore St John m3/2/1862 Theophilus (full) brazier (fa: John – brazier) = Rhoda SMITH (full) (fa: William – brazier)
Rhoda was indeed born SMITH, became wife of Theophilus SCARROTT, then of Valentine BRINKLEY, then of Christopher SMITH, although I am not sure if there was a marriage ceremony for all.
TL