I must admit at the moment I can't see a William who fits and is a Clerk 
Me neither

And furthermore......
MARRIAGE at St James the Great, Middlesex
Frederick SIMMONDS 25, Bachelor, Engine Cleaner
Married 8 Nov 1896, to Mary Ann HAMANN 25, Spinster
Both of 32 Mansford Street
Witness': Gertrude HAMMAN & Charles GREEN.
Her father: Peter HAMANN, deceased
His father: Frederick SIMMONDS, ForemanGroom himself has signed as 'SIMMONDS', but there is a notation in margin (not quite sure what for), that spells his name as SIMMONS.
Perhaps OP can clarify who she is looking for - who is the certain, known point/ person? before we proceed too far down a wrong track! Is it the Frederick who married HAMMAN?
Cheers
AMBLY