I do not speak Fremnch but would think it originally was somrething like Purr-ee-a.
Any French speakers out there ?
Like millions of American immigrant families, the name got changed over time.
Who wants a name in America like a recent immigrant from Russia whose surname is "Dumschitz" !Really. Perfectly okay in Russia but not so great here.
Puryears in 1700 Virginia, Henrico and Mecklenburg counties, were connected to Farrar, Mallett, Royster, Nunnally, Mealer, others, all Huguenots. About 25 Puryear families were in 1810 Mecklenburg (tax lists).