Kaelin is a unisex name of Gaelic origin meaning "slender" or "fair and pure." People with the name Kaelin are often described as charming, intelligent, and artistic. They have a strong appreciation for beauty and creativity, and may excel in the arts or a creative field. Kaelin is a unique and modern name that is not overly common, making it a standout choice for parents looking for a distinctive name for their child. Overall, those with the name Kaelin are known for their kind and gentle nature, making them popular among friends and loved ones.