I found this listing for Richard Sissons in a list of people that were vacinated in New Zealand, 1842-1886. Hope this helps someone.CathyRichard SISSONS 1842 ... .. Mem. R. Coll. Surg. Eng.; Lic. Soc. Apoth. Lond. (2) 1868 Jun 27 Registered as a Medical Practitioner (2) 1869 ... .. Resident at Whangarei (2) 1870 Jan 01 Registered as a Medical Practitioner (3) 1873 Dec 11 Appointed vaccination place at Whangarei (1) 1882 ... .. Resident at Whangarei (3) 1885 Sep 29 Appointed Public Vaccinator at Whangarei (1) 1886 Jan 01 Vaccination place at Kamo (1) (1) NZ Gazette (2) NZ Gazette 1869 Register of Medical Practitioners (3) NZ Gazette 1882 Register of Medical Practitioners