I think it’s pretty clear she’s a Kenobi. It’s also pretty clear she’s Luke’s daughter. She can be both, you know. That, I think, would be more satisfying from a narrative perspective: the emotional, family-driven Skywalkers have always chaffed against the constraints of the monk-style Kenobi strain of thought in the Jedi. But bring the two lines together and you’ve got someone who can bring balance.