Hadley is a unisex given name and surname of English origin, derived from a place name meaning "heather field" in Old English. The name has gained popularity in recent years, particularly for girls in the United States, ranking among the top 200 names for American girls since 2011. Etymology The name Hadley originates from Old English elements hǣr meaning "heather" and lēah meaning "wood, clearing" or "field," thus giving the meaning "heather field." It was originally used as a surname for families living in or near such a place. Notable Bearers Surname Arthur Twining Hadley (1856–1930), American economist and president of Yale University Stephen Hadley, American diplomat and former National Security Advisor Given Name Hadley Ann Swett, American author The name Hadley has also been used in popular culture, often for characters in films and television. Variants Spelling variants include Hadlee and Hadleigh, which are common given name forms. Meaning: "heather field" Origin: English Type: Place name / Surname Usage Regions: English-speaking countries, especially the United States