Usually, it has to do with something that they were associated with, when they were alive.
Eg: St. Maria Goretti is the Patron Saint of rape victims.
St. Joseph of Arimathea (sp.) is the Patron Saint of funeral directors, because he gave his own tomb to the Christ.
St. Joan of Arc is the Patron Saint of France, because she helped France overcome England when it almost conquered France during the 100 years war.
The Patron Saint Inex lists no patron saints of bears.
A patron saint is supposed to be a protector in the Catholic religion. Patron Saint Angelico is the patron saint of artists. A patron saint is a protector of life.
As per the Patron Saint Index, there is no patron saint of wrestlers. However, Saint Sebastian is the patron saint of all athletics and athletes.
Saint Lillian is not a patron saint as per the Patron Saint Index.
There is a patron saint of Wales but no patron saint of whales.
There is no patron saint of voting.
There is no patron saint of color.
There is no patron saint of red heads as per the Patron Saint Index.
As per the Patron Saint Index, Saint Cedd is not a patron saint at this time.
Saint David is not a patron saint of England. He is the patron saint of Wales.
14th century
There is no canonized saint who is the patron of shopping.