I have gone at this from every direction I can think of and come up with absolutely nothing.
Sorry not to have been able to help.
Thank you so much, I really do appreciate your effort and for taking the time. At least I know I've not missed anything. Isn't it funny how people can just disappear! I wonder if he went abroad, but it doesn't seem likely in those days.
I've just noticed this - James Pearce lived at 65 Bournville Lane in 1901 when Emma Amelia was his visitor. In 1911 James Pearce and Emma were living at 35 Bournville Lane - and in 1911 Thomas Bagnall Collins lived at number 65, who she married in 1915!