I do not know who are the parents of my great-grandfather, Henry MORGAN.

Can someone please help me find his marriage certificate to Sarah MARTIN?

Henry and Sarah had a son in Scotland in 1878 and the certificate shows their marriage date as 08 Jun 1875.

Henry and Sarah had a daughter in Scotland inn 1882 and the certificate shows their marriage date as 08 Jun 1874.

I have heard that his parents' names will be on this document but I have not been able to locate it.

Can someone help me please?
Henry has been a solid brick wall for over 20 years.