There were a couple St. Oswalds, you need to be more specific.
The patron saint of sports (athletics) is St. Sebastian, not St. Chloe.
There is no saint named Columbus.
There is no saint named Paricia.
St. Petersburg is the name of a city and not a saint.
he was
There is a St. John the Baptist but no St. John Paul the Baptist.
Andrew is a saint but not a patron saint.
1921
There seems to be no Saint Cadog, however there is Saint Cadoc of Llancarvan. Is this who you were referring to?
Oswald. St. Clair has written: 'A key to Ricardo'
Pius XI is not yet a canonized saint.
St. Patrick did not aspire to become a saint. He simply tried to do the will of God in the best way possible and that led to him being declared a saint.