Probable or possible origin of name: T.B. Guest & Co. biscuit factory, adjacent, 207-221 William St.
Location is approximate.
For more information, see: Bate, W., Broome, R., Davis, N., May, A. J., & Stitt, H. (2024). The story of Melbourne’s lanes: Essential but unplanned (pp. 26). ISBN 978-1-875173-12-9.