A pdf from RBKC tells us that SFK is "Mrs Kirby, who sponsored nine other drinking fountains in London".
This section lists the memorials where the subject on this page is commemorated:
Mrs S. F. Kirby
Commemorated ati
Mrs Kirby's fountain
Metropolitan Drinking Fountain & Cattle Trough Association Erected by S.F.K.
Other Subjects
1 memorial
1 memorial
1 memorial
Harriet Mary Margaret Hall (née Knipe)
Eldest daughter of Edward Knipe, of Water Newton, Huntingdonshire. Married Newman Hall (as his second wife) on 29 March 1880, with no issue.
1 memorial
1 memorial