Hey.. My grand fathers, fathers, fathers father was called John alexander... He was from port patrick. I am not sure if it is the one you are looking for, but if i were you, i would look at '' www.scotlandspeople.gov.uk ''. I was looking at said grand fathers marriage certificate on there, although it was quite hard to read. If it is not my great great great great grandfather, then i am sure you will find him on that site.