Who was the Greek saint Spero?

There is no known Greek saint named Spero. It is possible that this is a mispronunciation or misspelling of a different saint's name. Could you please provide more context or information about this name?

For example:

* Where did you hear this name?

* What kind of information are you looking for? (e.g., their story, feast day, miracles)

With more information, I might be able to help you find the correct saint or figure out what you're looking for.