Diminutive of Carl or Charles, from Germanic 'karl' meaning 'free man'; also a unisex spelling.
Carley is a spirited phonetic variant of Carly, itself a feminine diminutive of Carl and Carla, names rooted in the Germanic element *karl*, meaning "free man" or simply "man" in the old tribal sense — a word that evolved into the English "churl" but carried considerable dignity in medieval continental Europe. The Carolingian dynasty that reshaped early medieval Europe took its name from this very root, through Charlemagne (Carolus Magnus), and the ripples of that imperial nomenclature eventually softened into the affectionate, rhythmic form we recognize today.
The name gained broader traction in the English-speaking world through the mid-twentieth century as parents sought feminine alternatives to the more formal Caroline and Charlotte. Carly Simon, the American singer-songwriter whose confessional artistry defined a generation of popular music in the 1970s, gave the name a distinctly creative and independent aura. The Carley spelling, with its echoing double-vowel energy, became popular particularly in the 1980s and 1990s as parents experimented with personalized orthography, lending a breezy, modern feel to a name with deep historical scaffolding.
Today Carley occupies a comfortable middle ground — familiar enough to feel warm, distinctive enough in spelling to stand apart. It carries the lightness of a nickname name without the informality, and its Germanic roots connect it, however distantly, to one of the most consequential figures in Western political history.