Jane Austen Author: 1775-1817 DOLPHIN HOTEL It is said that Jane celebrated her 18th birthday here in the ballroom of the Dolphin on 16 December 1793 with her brother Frank. Jane was staying with her cousins, the Butler-Harrisons, in St Mary's Street. John Butler-Harrison was twice Mayor of Southampton. When she was living in Southampton in the winter of 1808/09, according to Jane's letters, she attended two other dances at the Dolphin ballroom, a beautiful bow-windowed room on the first floor.