you have left it too late for the easy option of consulting the transcriptions of the Memorial Inscriptions done by IoMFam History Soc a copy of which is held by Manx Museum Library (open 10am - 5pm) Mon thru Sat)- at front of this book is a plot of the graves in the large yard - as there were 2 Robert Corkills born in Maughold in 1806 not easy to help unless there is a MI