Caelie is a variant of the name Kaylee, which itself is derived from the combination of the names Kay and Lee. The name Kay is of Greek origin, meaning 'rejoice,' while Lee is of Old English origin, meaning 'meadow' or 'clearing.' Together, Kaylee and its variant Caelie often symbolize joy and natural beauty. The name has gained popularity in English-speaking countries, particularly in the United States, where it is often chosen for its melodic and modern sound.