He served as president of the Law Council of Australia and as an acting judge of the Supreme Court of New South Wales.
His father was born in Scotland and his mother was a third-generation Australian, a granddaughter of Sydney's first mayor Charles Windeyer.
[1] Maughan read law with Langer Owen and eventually developed a thriving practice of his own.
[1] On two occasions, Maughan was appointed as an acting judge of the Supreme Court of New South Wales – for six months in 1924 and also from May 1936 to March 1937.
[3] Outside of his professional activities, Maughan was chairman of the Free Library Council and the Big Brother Movement, a director of the Royal Prince Alfred Hospital, a governor of The King's School, Parramatta, and a vice-president of the New South Wales Rowing Association and New South Wales Rugby Union.