Plumstead was in the Lewisham Regn District until 1868 ... so how about this chap ? (there are others in Greenwich & Dartford, but this seems right)
James Knight
4Q (Dec) 1853
Lewisham
Volume 1d
Page 583
As Liz says, if you have the marriage Cert, can you quote Fathers name & occupation - oh, and any witnesses ?
whoops, just seen your response ...