» 1896 – 1906: William Beer
» 1906 – 1928: Henry M. Gill
» 1928 – 1932: Daniel D. Moore
» 1932 – 1935: Edward Alexander Parsons
» 1935 – 1936: Mildred Guthrie (Acting)
» 1936 – 1937: Edmund L. McGivaren
» 1938 – 1960: John Hall Jacobs
» 1943 – 1945: George King Logan (Acting) Logan became Acting City Librarian while Jacobs served in the military during WWII
» 1960 – 1961: Ruth K. Robbins (Acting)
» 1961 – 1965: Jerome Cushman
» 1965 – 1967: Guenter A. Jansen
» 1967 – 1984: M. Eugene Wright, Jr.
» 1984 – 1986: George J. Guidry (Acting)
» 1986 – 1996: Daniel Wilson
» 1996 – 2004: Gertiana Williams
» 2004 – 2006: William Johnson
» 2006: Geraldine Harris (Interim) / Lance Query (Consulting)
» 2006 – 2008: Donna Schremser
» 2008 – 2010: No City Librarian
» 2011: Shannon Aymami (Interim)
» 2011 – 2019: Charles M. Brown
» 2019 – 2020: Jessica Styons (Interim)
» 2020 – 2021: Dr. Gabriel Morley
» 2021 – Present: Emily Painton