Question: Valentine's Day received its name from a widely recognized third century Roman saint. What type of clergyman was he?
A) Catholic priest
B) Catholic Bishop
C) A Pope
Answer: A) or B) is acceptable. There were multiple St. Valentines and their stories are sparse and often mixed with each other. One was a Priest and one was a Bishop.
Read more
https://www.catholiceducation.org/en/culture/catholic-contributions/history-of-st-valentine.html