>>6858587I invite you to search Google for the image, which will lead you directly to the illustrated book of Irish tales from which it was taken. It's exactly what I did to find out it was an Irish story, and it took only a few seconds, much less time than you're spending hoping to be spoonfed.
[spoiler:lit]Irish epics have big multigenerational arcs, they don't break down well into individual fairy tales. The boy's name is Fionn[/spoiler:lit]