Kinsley comes from an Old English surname meaning "king's meadow" — from cyne (king) and lēah (clearing, meadow). Kinsley is a village in Yorkshire, England. The name was originally a surname.
Kinsley emerged as a girl's first name in the 2000s and rose rapidly. It now sits in the U.S. top 80 — part of the broader wave of two-syllable surname-as-first-name choices (Hadley, Riley, Quinn, Brinley).
Kinsley reduces to one — the number of independence.