From the English word "carl" meaning "free man" and "ton" meaning "farm or settlement". This suggests a meaning of "free man's farm" or "settlement of free men".
From the French word "Charlemagne" meaning "Charles the Great". This would imply a connection to the famous Frankish king.
It can also be a place name in England, possibly named after a prominent person named Carl.
The name Carlton is typically associated with strength, freedom, and leadership. It is also considered to be a classic and sophisticated name.