BA Dublin 1880, MA 1883, MC BCh 1881, MD 1883, MAO 1887, LM 1881.
Kingsbury trained in Dublin and held junior positions there before coming to England where he settled in Blackpool. He was consultant physician to the Imperial Hydropathic Hotel and South Shore Hydropathic Establishment, and visiting physician to Layton Convelescent Home. Kingsbury was a member of MMS, Manchester Medico-Ethical Association and the Society for the Study and Cure of Inebriety.