Hay clearing or hay meadow
Hailly is a modern phonetic spelling variant of the English surname and given name Hailey. It is derived from the Old English elements 'heg', meaning hay, and 'leah', meaning a clearing, meadow, or field.
Less common today
Hailly isn't in the latest US Top 1000. It last peaked at #9,739 in 2004.
US births per 5-year period, 1990–present (SSA data).
