Re St Hills in NZ this may be helpful discovered via the Australian National Library on-line digitised newspapers.
Trove Hobart Mercury, June 1 1918
The death, took place yesterday, after a brief illness, of Colonel Windle Hill St Hill, for a period extending over 40 years one of the most familiar figures in Hobart the deceased was the youngest and last surviving son of Henry St Hill, Bradnach Manor, Devonshire, England, and was born in 1837, at St Omer, in France, and was therefore 81 years of age. He completed his education in England, and came out to New Zealand and served on the staff of General Cameron through the Maori war, afterwards going to India, where he held a commission in the 19th Regiment (Princess of Wales's Own)[/i] In the late seventies he left England for Tasmania, and acted as private secretary to Governor Weld and from June 10,1878, until May 19, 1880, he was Commandant of the local forces, and was a very popular officer.