Grayson is an English surname that most likely means "son of the steward", from the Old English greyve, a reeve or bailiff, though many parents simply hear "son of the gray-haired man" in it. It joined the wave of surname first names in the United States in the 2000s. Grayson ranked number 313 in 2000, entered the top 100 in 2011, peaked at number 32 in 2018 and stands at number 51 among boys in 2025.