Kaya is a unisex given name, of Turkish origin, meaning 'fortress' or 'castle'. It gained popularity worldwide in recent years due to its unique sound and spelling. Kaya is often used as a given name for both boys and girls, with some regional variations in popularity. The name has been featured in popular culture, such as the character Kaya Scodelario in the "Maze Runner" series of books and films.
"Kaya seems to have been a popular name for newborns during the late 20th and early 21st centuries, with peak years being 2001 (56 births) and 1997-1999 (14-15 births each year). However, its popularity appears to have decreased significantly in recent years, with fewer than 20 births per year since 2011."