Caydin

Caydin is a modern masculine name that emerged in the late 20th century as part of the trend toward invented names with distinctive spellings. It's a variant of Caden, which itself derives from a Welsh surname meaning 'spirit of battle' or an Irish surname Ó Cadáin. The 'y' spelling gives it a contemporary feel while maintaining the strong sound of the original. Caydin gained modest popularity in the United States during the early 2000s alongside similar-sounding names like Jayden, Aiden, and Brayden. The name conveys a sense of strength and individuality, appealing to parents seeking a modern-sounding name with a hint of Celtic heritage and a unique spelling variation.

Caydin is also given to girls.

Pronounced KAY-din.

As of October 2026, Caydin ranked #13646 in US births in 2011 SSA, peaked at #13020 in 2004.