Shailen is of Indian origin, derived from the Sanskrit word 'Shail', meaning 'mountain'. It's a unisex name, popular among Indo-Aryan communities. Spelling variations include Shayan and Shaileen. The name gained prominence globally due to its unique sound and cultural significance.
"Shailen saw a peak in popularity with 12 births in 2006, followed by a steady decline until 2019 when it reached its lowest point this decade with just 5 births."