Hadly \ha(d)-ly\ as a boy's name (also used as girl's name Hadly), is a variant of Hadley (Old English), and the meaning of Hadly is "heather meadow".

The baby name Hadly sounds like Hedly and Headly. Other similar baby names are Hagly, Haily, Hanly, Harly, Hawly, Radly and Wadly.