She was the protagonist of the very first Inversiverse story and had at least one prominent story after that one (I’m not sure to what extent she would have featured in the era where the Inversiverse had a regular slot as backup stories in the title). While a Disparation character, she was a noteworthy one.
That being said, she was the only Luminary from April '88 through when Ivan walked through the door of Freedom Tower in January 2016. His use of the name would have been a reference for readers in-the-know. Sure, he’s the important character that everybody knows rather than just Disparation fans and so probably supplanted her overall in popular consciousness, but you probably got a lot of people in the Metaverse well-actually-ing whenever somebody tried to put a qualifier like “Heroic” or “Princess” on her.
My guess? She’ll be Inversiverse Luminary since we already have precedent.