Alexander Buchanan (1 November 1848[1] – 11 January 1930) was Master of the Supreme Court of South Australia from 1891 to 1912 and puisne judge 1916–1921.
Buchanan was born at Anlaby Station, near Kapunda, the eldest son of Celia Buchanan (died 27 November 1903) and Alexander Buchanan JP (c. 1808 – 21 May 1865), who came out to South Australia in 1839, was with a party of eight that drove 20,000 sheep overland from Sydney[2] with William Sharples, James Turner, R. P. Cunningham, Edward Spicer, Coutts, Deas and Edgar[3] and from around 1841 managed the station for Frederick Dutton.
Buchanan was educated at St Peter's College, Adelaide, at Hofwyl (now Hofwil), Switzerland, and Glasgow University.
Their only daughter, Mary Buchanan (born 14 May 1890), married George Ashwin Yuill on 12 November 1918.
[10] Their first home was "Burton Cottage", Clare; later "Wawanosh", Wood Street, Hyde Park, South Australia (became Millswood), later "Kingsmead", Brougham Place, North Adelaide.