Daniel Morgan was born on the 30 April 1830. He was born John Owen or Jack Fuller, the illegitimate son of George Fuller and Mary Owen.
Morgan has been described as "the most bloodthirsty ruffian that ever took to the bush in Australia". Many accounts of his activities emphasised his brutality and erratic behaviour but Morgan also had many sympathisers. He was an expert bushman with superb horse-riding skills, a combination of those abilities enabled him to evade capture by the authorities for a significant period of time.