Likely a variant of Keller, a German occupational surname meaning cellar keeper or steward.
Keyller is likely a variant of Keller, a German occupational surname meaning cellar keeper or steward. That root gives the name a practical, historical backbone, grounded in the old system of surnames that described work, place, or function. The shift from Keller to Keyller gives the name a more modern visual texture while preserving the surname feel underneath.
It is the kind of form that sounds both familiar and reworked at once. As a given name, Keyller feels rare, sharp, and contemporary. It has the compact strength of surname names that have moved into first-name use, but the altered spelling makes it feel more individualized.
The name carries a slightly industrial or grounded aura because of its occupational background, yet it also has a stylish edge in modern use. Keyller sounds efficient and uncommon, with enough familiarity to be pronounceable and enough variation to remain distinctive.