 Meilir was born in Pontypool.He was educated at Ysgol Maes Garmon in Mold, and Aberystwyth University's Department of Theatre, Film and Television Studies.Best known for playing Alfie Butts in the BBC sitcom "My Family", Meilir has also appeared in a number of popular television shows such as "Afterlife" and "Terry Pratchett's Hogfather" on Sky One.