You sure about that? The spelling used to be Carroll.
https://www.9news.com/article/news/local/next/what-do-you-say-how-do-you-pronounce-ken-caryl/73-408391405
https://www.9news.com/article/news/local/next/what-do-you-say-how-do-you-pronounce-ken-caryl/73-408391405