Was in general practice at Bolton-le-Moors and at Accrington. He emigrated to Queensland about 1861-1862 [1], and practised for some years at Ipswich in that Colony. From 1869-1872 he was Surgeon Superintendent of the Lunatic Asylum, Woogaroo, and was also Medical Officer of St Helena Gaol and the Dunwich Benevolent Asylum. For the last few years of his life Challinor was Health Officer of Brisbane. In honorary capacities Challinor filled important and responsible positions. He was for years a member of the Medical Board, Principal Medical Officer of the Queensland Volunteer Forces, and Visiting Inspector of the Diamantina Orphan Schools. He died of apoplexy at Brisbane on Sept 9th, 1882. [[1] He emigrated to Brisbane, then part of New South Wales, in September 1848 and arrived at Moreton Bay on the ship *Fortitude* from Gravesend on 20 January 1849. Information supplied by Stephen C Due by email, 9 April 2016]