Caiden is a variant of the name Caden, which is of Irish origin. The name Caden is derived from the Gaelic surname Mac Cadáin, meaning 'son of Cadán'. Cadán itself is a diminutive form of the name Cad, which means 'battle' or 'spirit of battle'. The name Caiden has gained popularity in recent years, particularly in English-speaking countries, as a modern and unique variation of the traditional name.