Blaine is a Scottish surname taken from the Gaelic Bláán, a diminutive of blá, "yellow", and the name of a 6th-century bishop venerated in Scotland. It has the clean, one-syllable sound of Blake and Lane. In the United States Blaine ranked number 451 in 2000 and peaked at number 405 in 2001; it dropped out of the top 1000 from 2022 to 2024 and returned at number 992 in 2025.