Background
He was born in County Cork to Merion Marshall Moriarty and Anne Orpen.
He was born in County Cork to Merion Marshall Moriarty and Anne Orpen.
The family migrated to Sydney in 1843 and he became a clerk in the Department of Lands and then a police magistrate at Armidale. In February 1858 he was elected to the New South Wales Legislative Assembly for New England and Macleay, but he resigned in October to serve as clerk of the Executive Council. He was later clerk to the Queensland Executive Council and chairman of the Goulburn Land Board (1885).
Moriarty retired in 1896 and died at Goulburn in 1918.