Mabel Collins (1851-1927) was born Minna Mabel Collins in 1851 at St Peters Port, Guernsey, and though never formally educated, she proved a It was borne in her mind that this alleged “doctor friend” was nothing more than a figment in D’Onston’s imagination, invented to conceal his own identity with Jack the Ripper. She was now convinced, beyond all doubt, that the man standing before her was in fact the Whitechapel murderer.