 A lot of the works built from this partnership could give credibility to her contribution from the period of 1919 when G.H.M.Addison & Son was first established until 1928 when Lily Addison retired as well as her contribution to the entry of woman into the industry of Architecture and working in the office.Lily Addison's father G. H. M. Addison died in the Mater Misericordiae Hospital, Brisbane Hospital.