Cecilia was her name. Last names were not used at the time she was alive.
Mellon is his first name.
There are over 100 saints named John and the first name of each of them was John.
nick is his first name
St. Clare's birth name was Chiara Offreduccio.
Florian
Little Saint
Back then people did not have last names they were such as their first name and there city so she would be Cecilia of Rome.
Yes, of course, if you were baptized with that name, or confirmed with it, then it is a Catholic name. As of 2014 it is not a Saint's name, so if it is your name, you will have to be very holy, and be the first canonized saint with that name.
There is no saint listed by the name of Ashley.
Normally, it would be the saint for whom you were named - either your first name or your middle name or both. It can also be a saint who celebrates their feast day on your birthday.
Elizabeth
Your primary patron saint is the saint for whom you are named. A secondary patron saint would be the saint whose feast day is celebrated on your birthday.