(1) is a curator and biographer of Australian colonial artists and is currently the Emeritus Curator of the Sydney Mitchell Library at the State Library of New South Wales.
(2) is a music teacher and Assistant Conductor of the Intermezzo Choir of the Elgin Children's Chorus, Chicago.
(3) is Elizabeth W Ellis, author of works on religious education for young people associated with the Society of Friends (Quakers).
(4) is misspelt Elisabeth Gaynor Ellis.
(5) is Elizabeth Ellis, Extension Service, University of New Hampshire, Durham, NH (1949)
(6) (1951-) is an author of works on Australian Law.
In addition, these should not be confused with at least one other Elisabeth Ellis.
>7) Ellis, Elizabeth, 1943-