Saint Amy
Saint Dominic
No, Saint Patrick is Saint Patrick and not known by another saint's name. His birth name, however, was Maewyn Succat.
Saint Inez or Saint Ines
I can find no saint by the name of Cynthia.
The poor
Amy Roberson has written: 'Saint Barbara'
Saint Bernard
You choose a saint's name when you are baptized, and you may choose another saint's name when you are confirmed.
The are a couple well known women with the name Amy Sanders. One is an American basketball player. Another is an actress.
I believe you mean Holy Savior which is another name and description of Our Lord Jesus Christ. There is no saint by that name.
He was also known as Levi.