O. Shannon was active/lived in Kansas. O Shannon is known for painting.
Biography O. Shannon
Mrs. O. Shannon was a painter who flourished in Lawrence, Kansas in the 1880's.
Exhibitions: 4th Semi-annual Exhibition, Lawrence Art League, 1886.
Susan Craig, "Biographical Dictionary of Kansas Artists (active before 1945)"
Catalogue, Fourth Semi-Annual Exhibition of the Lawrence Art League, May 31-June 10, 1886.
This and over 1,750 other biographies can be found in Biographical Dictionary of Kansas Artists (active before 1945) compiled by Susan V. Craig, Art & Architecture Librarian at University of Kansas.