Bolothamogg
Draeden†
Father Llymic
Great Mother
Holashner
Pandorym
Piscaethces
Ragnorra
Shothotugg
Shothragot
Thoon
Y'chak
† Species; might not be true Far Realm natives.
I took out the star names, Allabar, and Mak Thuum Ngatha, as I recognize those, but where did you get the others from?
Whjatever is wrong with the classic 'Great Old Ones'? It's what Paizo, last I looked, used for entities from beyond time and space.
While classic, it is a bit cliche. And, it makes the Far Realms a Lovecraft pastiche at best and knock-off at worst. While the Far Realms certainly takes a page from Lovecraft, you don't have to make it quite so "Lovecraftian" as to name it for the Mythos.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.