Here's one. 23-year-old Irish kid with some songwriting chops. He isn't on a label, just sells his music through an Etsy shop (he is or will be touring with Paul Weller over the next couple of months). I'd say he has a bright future but, as pointed out in the article, his music may not fit with the low-brow music that is popular today.
George Houston - In Aeternum Vive