Hadlea \ha(d)-lea\ as a boy's name (also used as girl's name Hadlea), is a variant of Hadley (Old English), and the meaning of Hadlea is "heather meadow".
The baby name Hadlea sounds like Hadlee, Hadly, Hedley and Headley. Other similar baby names are Haglea, Hanlea, Handlea, Harlea and Radlea.