Little fire or fiery one
Xaidyn is a modern American creative spelling of the name Zayden. It likely derives from the Arabic name Zayd, meaning increase or growth, but in its contemporary Western usage, it is often associated with the phonetic 'Aidan' family of names, which means little fire.
About 13 boys were named Xaidyn in 2025.
US births per 5-year period, 1990–present (SSA data).