Round, barrel-maker, or rejoicing
Kayd is a modern phonetic spelling variation of names like Cade or Kade. It likely derives from the Old English surname meaning 'round' or 'barrel,' or potentially from the Welsh name Cadell meaning 'battle.' In some modern contexts, it is also viewed as a variant of the Arabic name Kaid, meaning 'leader' or 'commander.'
About 6 boys were named Kayd in 2025.
US births per 5-year period, 1990–present (SSA data).