Blakley is a spelling of Blakely, an English surname and place name that means "dark meadow" or "black clearing", from the Old English blaec and leah. As a girl's name it follows the fashion for surnames ending in -ley like Hadley and Kinsley and carries the nickname Blake. Blakley has climbed from number 5686 among US girls in 2015 to number 2643 in 2021 and ranks 2825 in 2025.