Hollow or hay meadow
Hailyn is a modern American invention, likely a blend of the name Hailey and the popular suffix -lyn. It draws its roots from the Old English 'heg' (hay) and 'leah' (clearing or meadow), or potentially the name Hallie meaning 'dweller at the hall meadow'.
Less common today
Hailyn isn't in the latest US Top 1000. It last peaked at #3,735 in 2010.
US births per 5-year period, 1990–present (SSA data).
