Christian name vs baptismal

Christian name

noun
  • An English given name, particularly for ethnic Chinese who usually have a separate Chinese name. 

  • Any forename. 

  • A first name formally given to a child at a Christian baptism. 

baptismal

noun
  • A baptismal font: a large basin used for baptism. 

  • A baptismal name: a name given at baptism. 

adj
  • Of a name, conferred at baptism. 

  • Of or relating to baptism. 

How often have the words Christian name and baptismal occurred in a corpus of books? (source: Google Ngram Viewer )