Caidyn is a unique and attractive given name of Welsh origin. It is derived from the Welsh word "caed" which means "battle". The name Caidyn is believed to have been popularized during the medieval period in Wales, where it was often used as a personal name for boys. Over time, the name has evolved and gained popularity among other cultures, but its origins remain firmly rooted in Welsh history. Today, Caidyn is considered a unisex given name, though it is still more commonly associated with males. Despite its historical roots, the name Caidyn does not have any specific religious or cultural significance beyond its association with Wales and its battle-related meaning. Instead, it is chosen by parents for its unique sound and its connection to Welsh heritage.
"Caidyn experienced a significant increase in popularity from 5 births per year in the early 2000s to a peak of 64 births in 2011, but has since seen a steady decline, with only 16 births recorded in 2021. Over these 23 years, the name Caidyn has been chosen for a total of 780 newborn girls."