countersign vs put one's name to

countersign

verb
  • To sign on the opposite side of (a document). 

  • To add a second signature to a document, affirming the validity of the signature of another person. 

noun
  • A second signature added to a document to affirm the validity of the signature of the first person. 

  • The response to a sign or signal. 

put one's name to

How often have the words countersign and put one's name to occurred in a corpus of books? (source: Google Ngram Viewer )