Kailah is of Hawaiian origin and means "the sea". It is a unisex name but is more commonly used for females. The name gained popularity in the late 20th century, likely due to its association with the beautiful tropical landscapes of Hawaii. Kailah's unique sound and meaning make it an attractive choice for parents seeking a distinctive name for their child. It has a soft, flowing quality that reflects its oceanic roots, yet it also possesses a certain strength and solidity, much like the waves themselves. The name is composed of two syllables, with the emphasis on the first syllable ("KAI-lah"), giving it a rhythmic, musical feel. Kailah is often shortened to Kai or Kahlee, providing versatile nickname options. Despite its popularity in recent decades, Kailah remains relatively uncommon compared to more traditional names, ensuring that those who bear it stand out in a crowd.
The name Kailah has seen a significant rise and fall in popularity over the years, with its peak occurring in the late 1990s to early 2000s. Between 1982 and 2023, there have been a total of 2205 births registered as Kailah.