name meaning: Aneirin \a-nei-rin\ as a boy's name is of Welsh origin. Possibly (Irish, Gaelic) "noble, modest". Originally Neirin, the A- was added in the 13th century. This was the name of the first known Welsh poet (sixth century). The "Book of Aneirin" is a 13th-century manuscript about his work, including the "gododdin", a long work about the defeat of the Welsh by the Saxons. Nye is the pet form made popular by the statesman Aneurin Bevan (20th century).
Aneirin has 2 variant forms: Aneurin and Nye.