Here is the address for obtaining marriage certificates in Northern Ireland for births and marriages in the Civil District of Newtownards:
The Registrar for Births Deaths and Marriages
Ards Borough Council
2 Church Street
Newtownards
Co. Down
BT23 4 AP
The price for a marriage certificate is 11 pounds. This has to be a United Kingdom Check or United Kingdom money order, as they do not have the option for a credit or debit card.
You can also try the Government Records of Northern Ireland office, which in Belfast:
http://www.groni.gov.uk/For persons in the United States, who wish to purchase records, you have 2 options
The first is to join Emerald Ancestors, for a fee, and then you can shop for records, and pay for them by card. I have used this service, and find it quite satisfactory:
http://www.emeraldancestors.com/Another option is the Ulster Historical Foundation, where you can purchase a variety of records:
http://www.ancestryireland.com/Posted by
Mary Becker
Group Admin
Ards Peninsula Families DNA Project
http://www.familytreedna.com/public/ardsdnaproject/default.aspx