Alan Robert Lobban was born on 20 December 1912 in Horsham, Victoria, Australia. He was the son of Robert Lobban and built his professional life in Melbourne, where he became associated with the city's legal community. His documented professional address included 120 William Street, Melbourne, the premises of Blake & Riggall.
Lobban practised as a solicitor in Melbourne and was associated with Blake & Riggall at 120 William Street. In July 1950, a notice in the Victoria Government Gazette identified him as a solicitor acting from that address as an executor in an estate matter. He later became a partner of Blake Dawson Waldron, the successor firm identified in his professional profile. During the Second World War, he served in the Australian Military Forces with the 2nd/8th Field Regiment; his service number was VX36908.
