This is more common than you’d think - often subsidiaries are distinct enough that the Canadian or Australian version survives the US parent’s bankruptcy.
And sometimes it’s just a different store that licensed the name for 100 years.
And sometimes it’s just a different store that licensed the name for 100 years.
https://awrestaurants.com/locations-list/
400+ according to their wikipedia entry.
(Well, not quite inexplicably. Wikipedia cleared it up for me.)