The GRO Index has this birth:
Norman Francis Henry Purvis, March Q 1905 Tynemouth, 10b 318, mother's maiden name BENNETT.
FreeBMD has a marriage of a John William Purvis to Emily Bennett, June Q 1896, Tynemouth, 10b 436.
We are not allowed to do 1911 look ups, but with the parents names it should not be hard to find him
