Florence Ashton Marshall (Mrs. Julian Marshall) bite Thomas (30 March 1843 – 1922) was an English writer, composer and conductor. She was born on 30 March 1843 in Rome, Italy, the daughter of Vicar Canon Thomas of All Hallows Barking by the Tower, and studied music at the Royal Academy of Music with William Sterndale Bennett, John Goss and G.A. Macfarren.