Clarke was born in Maghera, County Londonderry, Ireland, he emigrated to New South Wales in 1841 and he farmed for a while at Broulee. He returned to Sydney and married Jane Rayner in 1847 and they eventually had eleven children. He and Robert Gee established a successful shipping agency and owned three ships operating between Sydney and Melbourne by 1861. In the early 1860s, he lived for a period at Bergalia station near Moruya, but returned to Sydney in 1865 and worked at his agency until 1894.[1]
Parliamentary career
In 1860, he contested the seat of Eden and lost to Daniel Egan. In 1869 he re-contested Eden and won. He held the seat continually until the district was abolished in 1894 and he stood unsuccessfully for Moruya in 1894. He returned to the parliament in 1895 as the member for Bega, which he held until 1904 when he was defeated by William Wood.[2] He was Postmaster General in the short lived second Dibbs ministry in 1889. He was noted as a hard-working parliamentarian.[3]
Clarke died in Randwick. On his eightieth birthday he had claimed to have two hundred grandchildren and two great-grandchildren.[1]