catholics have to make confirmation and communion, in the confirmation ceremony, one must choose the name of a saint, and in the confirmation ceremony one must choose the name of a saint, thus if a persons name is mary louise mcdonald AT BIRTH the two saint names chosen will be added to her birth name, thus she would become mary louise isabel theresa mcdonald. isabel a saint chosen for confirmation and theresa a saint chosen for communion. Thus, given the person an extra two names.