We know the name of the dog, which was a closely-held secret for 6 weeks, was accidentally revealed just after Lupercalia, which is a pagan holiday partly named for a she-wolf, according to Wikipedia.
On St. Valentine's Day (another pagan holiday) Anne Rice's new book came out, The Wolf Gift which she describes in this video:
It all seems a little too coincidental, considering we've been told months ago that Kensington Palace (where Kate currently lives) has been cursed.
Thanks to David!