Braydon is one of the many spellings of Brayden, which comes from the Irish surname Ó Bradáin, "descendant of Bradán", a name meaning "salmon"; it also echoes the English place name Braydon, "broad hill". The -aydon spellings boomed in the 2000s alongside Jayden and Kayden. Braydon stood at number 558 in 2000, peaked at number 311 in 2009 and has fallen out of the top 1000 to number 1778 among boys' names in 2025.