Hadleigh is an English place name and surname that means "heather meadow" or "heather clearing", from the Old English haeth, heath, and leah, clearing. The -leigh spelling gives the popular Hadley a more elaborate, feminine look, in step with Everleigh and Kinsleigh. Hadleigh entered the US top 1000 in 2014, peaked at number 870 that same year and ranks 1171 in 2025.