Hay meadow by the lake
A modern American invention likely created by combining the English surname element 'Hay' (meaning hay meadow) with the popular suffix 'lyn' (derived from the Welsh word for lake). It follows the contemporary trend of blending traditional nature-based roots into a melodic, feminine form.
Less common today
Haylyn isn't in the latest US Top 1000. It last peaked at #9,606 in 2018.
US births per 5-year period, 1990βpresent (SSA data).