Speaking of angel names, the Principality Tegwen. Google reveals that Tegwen is a name based in… I see why you were thinking of her having a Welsh accent. And the tall angel, Temira...Temira is apparently a Hebrew name that literally means “tall.”
This works for the angel, obviously, but I really wonder who gives a human child a name like this. I mean, how do you know if your kid’s going to be tall enough for that to make sense?