Hadley, an English surname-turned-given-name, originally comes from a place name derived from the Old English elements hæddre, meaning "heather," and leah, meaning "meadow." Together, it translates to "heather field." Hadley first appeared in the Social Security Administration's top 1,000 for girl names in 1998 and has now been a top-120 girl's name every year since 2013. It's also the name NFL quarterback Carson Wentz gave his daughter Hadley Jayne, born in 2020.