Modern invented name, likely a blend of Jane and Hailey.
Jailey is a contemporary American creation, likely formed by combining the prefix 'Jai-' with the popular suffix '-ley'. It follows the phonetic trends of names like Bailey and Kailey while incorporating the 'J' initial common in names like Jada or Jane.
Less common today
Jailey isn't in the latest US Top 1000. It last peaked at #5,211 in 2007.
US births per 5-year period, 1990βpresent (SSA data).