Kaelyn is a modern English name with multiple origins and meanings. It is derived from the Gaelic word "caol, " meaning "narrow" or "straight, " and is also associated with the Irish name Caollaidhe, meaning "slender. " The name has evolved to encompass various interpretations, including "pure" and "keeper of keys. " Originally a rare name, Kaelyn has gained popularity in recent years, particularly in the United States, where it was featured in the Top 1000 names from 1995 to 2018. The name's versatility and melodic sound have made it a favorite among parents seeking a unique yet elegant name for their daughters.
