Thomas Allwright Dibbs (1 November 1833 – 18 March 1923) was an Australian banker. Dibbs was born in George Street, Sydney, the second son of Captain John Dibbs of St Andrews, Scotland, and brother of New South Wales Premier Sir George Dibbs. His father was institutionalized in the Royal India Asylum when he was a boy, and at the age of 14 Dibbs entered the service of the Commercial Banking Company of Sydney as a junior clerk. In 1857 he became accountant, and 10 years later was appointed general manager, a position he held for 48 years. In 1877 Dibbs published a booklet Interest Tables and established some important banking practices in Sydney. In 1915 Dibbs retired at the age of 82, when he was made an honorary director of the bank and given a pension of £2000 a year. In 1916 he present