Heather meadow
Hadlea is a modern spelling variant of the English surname Hadley. It is derived from the Old English elements 'hæth' (heather) and 'leah' (woodland, clearing, or meadow).
Less common today
Hadlea isn't in the latest US Top 1000. It last peaked at #7,915 in 2015.
US births per 5-year period, 1990βpresent (SSA data).