Yes it is. There are a number of saints named Florentius.
No, the name Selena can not be a confirmation name.
victoria is a confirmation name..
Florence Bates's birth name is Rabe, Florence.
Her confirmation name is Marie!
Florence Lake's birth name is Silverlake, Florence.
Florence Eldridge's birth name is McKechnie, Florence.
Florence Deshon's birth name is Florence Danks.
Florence Desmond's birth name is Dawson, Florence.
Florence Nash's birth name is Ryan, Florence.
Florence Arliss's birth name is Montgomery, Florence.
Florence Anglin's birth name is Florence Aquino.
If a confirmation name is chosen, usually a saint's name, it is listed after the baptismal name and before the surname. Otherwise, the baptismal name is used. ex: confirmation name: John Baptismal name: Charles Michael Surname: Smith confirmation certificate : Charles Michael John Smith w/o confirmation name: Charles Michael Smith