Background
Simpson was the son of Pierce (Percy) Simpson and his wife, Hester Elizabeth, née MacNeill.
Simpson was the son of Pierce (Percy) Simpson and his wife, Hester Elizabeth, née MacNeill.
Simpson practiced at the New South Wales bar, to which he was admitted in November 1858. Simpson lived at Cloncorrick, Darling Point. He was nominated to the New South Wales Legislative Council in December 1885, and acted as Attorney-General in the last Robertson Ministry from that date till February 1886.
On the previous occasion he acted as the mouthpiece of the Ministry in the Upper House.
He resigned with his colleagues in October 1891. Simpson became a judge of the New South Wales Supreme Court on 18 December 1894.
Simpson was knighted in 1909 and acted as chief justice for a year after Sir Frederick Matthew Darley retired until January 1910 and twice acted as governor.