 He had been president of the Australian Golf Club (1903–19), a director of the Royal Prince Alfred Hospital, and a member of the Presbyterian Church's finance committee.A fellow of the Institute of Bankers in London since 1886 and vice-president of the Australian Economic Association, he also continued as a director of the Australian Mutual Provident Society and a councillor of St Andrew's College at the University of Sydney.Walker died on 18 January 1923 at Woollahra in Sydney, and was survived by his wife and five of their seven children.