I was wondering if the I could have been more like 'ee' since she was Hispanic. Also the closest I found on BtN was Ionië (ee-YOH-nee-yuh, which is listed as Dutch/Afrikaans), and for all I know it could have been intended to have the mark, but we tend not to type them here. But maybe it was like Ione, which is how I pronounced it, idk.