The name Granger is a boy's name of English origin meaning "worker of the granary". Granger and is often added to lists like Rustic Baby Names and discussed in our forums with posts like "Love, Like, Lose -- Outlandish/Guilty Pleasures edition!".
From the experts:
If you're seeking a solid last-name-first occupational name with a warm, friendly sound, one that's not overused, this could be it.
Granger is much better known as a surname--think handsome mid-century actors Stewart and Farley, and, more recently and majorly, Hermione Jean Granger, one of the three main protagonists of the Harry Potter series--but would make an unusual but accessible first.