Couples who intend to marry in Ireland need to take into account the following;
A couple getting married are required to to give notification in person of their intention to marry to a Registrar at least 3 months before the intended date of the marriage. The notification can be given to any Registrar. View further details...
If you choose a church ceremony, the legal formalities can be performed as part of your religious ceremony.
If you choose a Civil Ceremony, Glenlo Abbey Hotel Galway has been approved for civil marriages in Galway and couples can legally get married on the grounds of the hotel.
You can only get married by a registrar in Ireland from Monday to Friday (no weekend ceremonies unfortunately).