“Hilarius” is merely the Latin nominative form of the name we render “Hilary” in English. We are free, of course, to use the word “hilarious” for things to do with anyone named Hilary, just as we are free to use the word “Johannine” for things having to do with Johnny Depp. But we must accept responsibility for the confusion we may cause.
Regrettably, I may have created just such confusion when I once referred to Rep. Ron Paul’s controversial newsletters as Pauline epistles. The alternative construction did not, alas, occur to me at that time.
Thanks to your guidance, however, I can now recognize the importance of distinguishing between the Apostle of Libertarianism’s letters to the Gallatins and the Apostle to the Gentiles’ letter to the Galatians, and shall endeavor to better differentiate between the two in the future.
Actually, St. Kentigern is the patron of custard pies. The confusion occurred because he’s commemorated on the same day as St. Hillary, January 13. Because of this, the correct term, “Kentigurnious” never really caught on.