William Arthur Parker (1870 – 13 July 1953) was an Australian barrister who served as Master in Equity and Master in Lunacy in the Supreme Court of New South Wales from 1918 until 1940.
At the end of 1887 Parker was named Dux of the College and received the Schofield Scholarship.
Rainsford Bavin, a Methodist minister from Lincolnshire, England, and his New Zealand-born wife Emma, née Buddle.
[7] Parker and his wife lived at Manar in Potts Point, New South Wales.
Parker practised at the Sydney Bar in the equity and probate jurisdictions from 1900.