St. Geraldine is not a recognized patron saint in the Catholic Church or in any other major religious tradition. The designation of patron saints is typically based on their life stories, attributes, or areas of expertise. It is possible that there may be a local or regional cult dedicated to St. Geraldine in a specific community, but without further information, it is difficult to determine her specific patronage.
There is no patron saint of golf. St. Sebastian is the patron saint of athletics. Another opinion: The patron saint of golfers is St. Andrew.
Saint Kiara is a saint but she is not the patron of anything at this time sorry
St. Lucia Filippini is a saint but not a patron saint at this time.
The closest I can find is St Bernard of Menthon who is the patron saint of mountaineers.
David of Wales is the patron saint of doves.
The patron saint of all sports is St. Sebastian.
I don't know if runners have their own saint, but St. Sebastian is the Patron Saint of Athletes.
St. Isidore of Seville is the patron saint of the Internet.
There is no patron saint of tennis or tennis balls. All we have is St. Sebastian who is the patron saint of athletics and athletes.
Saint Zama is not a patron saint.
Pope Saint Leo the Great is not a patron saint.
St. Teresa Redi is a saint but not a patron saint.