He arrived, with his wife Eleanor and family, in Colombo on 13 November 1817, aboard the Alexander.
He served as the provincial judge in Calpentyn, the government agent in Ratnapura, the sitting magistrate in Colombo, the collector of Chilaw (1827-1833),[5] the collector and government agent of Colombo (1833-1843), and the fiscal of Jaffna (1845).
[6] Templer was appointed Treasurer of Ceylon, Deputy Paymaster General to the Queen's Troops and Commissioner of Stamps, by Governor Colin Campbell, on 1 November 1843 and died in office in October 1854.
[9][10] Templer married Eleanor Williams (1796–1877), the daughter of Anna Maria and Henry Williams, at the Church of King Charles the Martyr on 16 April 1816 at Falmouth, Cornwall.
They had six children, three daughters and three sons: He died on 22 October 1854 at the age of 63 in Brighton, Sussex, England.