Fox hunting has a long tradition in England. It came over with the English settlers and, at least in the Pines, developed it's own sort of flavor. Using dogs to hunt foxes is now illegal in England and Wales.
Back when I first started exploring the Pines in the late 1990s I would occasionally see fox hunters out. I helped one get his dog back into his pack at Friendship. But I haven't seen a fox hunter in a very long time. I think it's probably just something that the younger generation never got into, is an expensive hobby (all those dogs need to be fed and cared for), and may not be as "exciting" as shooting with a bow or rife.
It is sad, though, because there certainly was a culture with the Pine Barrens fox hunters that is in danger of, if not has already been, lost.