Kayliyah, of Arabic origin, translates to 'intelligent' and is often interpreted as a variation of the name Kayla. It gained popularity in the United States during the late 20th century. The unique spelling sets it apart from other similarly sounding names, making it distinctive yet approachable.
Kayliyah saw a significant increase in popularity from 2001 to 2015, with a peak of nine births that year. However, there has been a decline since then, with six or fewer births each year between 2018 and 2023.