Hi Stephen,

Your John Gill's picture is on page 79 of "A History of Cleveland and its Environs" along with a very good biography. Try the link below (close the gap in ht tp before copying), or search google books:

ht tp://books.google.com/books?id=X4AUAAAAYAAJ&pg=PA81&lpg=PA81&dq=%22john+gill+%26+sons%22&source=bl&ots=kJsX1W8DbV&sig=MB9jUlOuETz5HfowdOFMoP6ytOs&hl=en&ei=Q1DcSe6RMZPuNYKw6NkN&sa=X&oi=book_result&ct=result&resnum=7#PPA80-IA2,M1