Likely a blend of Darlene and similar -lene names, created in modern English style.
Derlene is likely a modern English blend, shaped by names like Darlene and the popular -lene ending. Its origin is less about a single ancient root than about the mid-century habit of creating graceful, feminine-sounding names from familiar pieces.
That gives Derlene a nostalgic yet flexible quality. It sounds polished and softly lyrical, with the kind of rhythm that made many modern coinages feel instantly usable. Derlene belongs to a naming style that values warmth, prettiness, and a little inventive sparkle.