A baptismal name is a name given to someone at christening or confirmation.
The name your parents gave you when you were baptized
baptismal ritual of adults is take baptism in river or a pond in the name of jesus christ
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
His baptismal name is Joseph Alois Ratzinger.
Joseph Alois Ratzinger
Presumably you are referring to baptismal fonts
the baptismal font
People at the time did not have surnames so Jude was his name when he was born and the name he kept when baptized.
Holy water is also called as 'Baptismal water'.
Cardinals normally retain their own baptismal names.
Office to get the lost baptismal
Your baptismal name is your name among the gods/saints. The name you are given at birth is your name among friends family etc.