Blayne is a variant of Blaine, a Scottish surname derived from the Gaelic saint's name Blaan, which is usually explained as "yellow" or "fair-haired". The name feels modern despite its medieval roots, and the y spelling adds a bit of flair. In the United States Blayne stood at number 1075 in 2000, its best recent rank, and has slipped gradually to number 2945 in 2025.