Hay meadow or clearing
Heiley is a modern phonetic spelling variant of the English surname and given name Hayley. It is derived from the Old English elements 'heg' (hay) and 'leah' (clearing, meadow, or wood).
Less common today
Heiley isn't in the latest US Top 1000. It last peaked at #7,834 in 2010.
US births per 5-year period, 1990βpresent (SSA data).