Caoilinn is a rare and unique given name of Irish origin, derived from the ancient Gaelic word "caol" meaning "slender". It is typically used for females and pronounced as 'KEE-lin'. The name has gained popularity in recent years due to its distinctive sound and spelling. In Ireland, Caoilinn is often anglicized to Caoimhe or Keelin, but the original form remains a beautiful and intriguing choice for parents looking for an uncommon yet meaningful name.
The name Caoilinn has seen a fluctuating popularity over the years with notable spikes in recent times, particularly between 2008 and 2016.