Apart from the Cleaning, Dry Cleaning and Thank you notes to all your guests there is a big time consuming job yet to be completed
After your big day is over you have an option to change your surname to be the same as your spouse's. By law you have a right to continue to use your maiden or pre marriage surname. There is a checklist in the downloadable Files page that may help you to notify the different authorities and companies that you deal with.
Birth Death and Marriage Offices
There is a company that will send you a kit that makes life even easier
I hope this helps