For anyone doing more ancient research, SOME of the Patent and Close Rolls are on-line here: Calendar of the Patent and Close Rolls of Chancery in Ireland from the 18th [year] to the 45th [year] of Queen Elizabeth, Vol. II http://books.google.ie/books?id=7MkUAAAAYAAJ&pg=PA318&dq=Limerick+townlands&hl=en&ei=fOYETYDSGoGZOqrVzaYB&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCgQ6AEwAThG#v=onepage&q&f=false Janet