Beautiful lake or song of the lake
Aralyn is a modern American invention, likely created by combining the Welsh name element 'Ara' (meaning altar or beautiful) or the name 'Ari' with the popular suffix 'lyn' (meaning lake). It follows the trend of melodic, multi-syllabic names that feel familiar yet remain rare.
US births per 5-year period, 1990–present (SSA data).