Cammy is a pet form of Camilla, a Latin name traditionally interpreted as "young ceremonial attendant."
Cammy is the affectionate diminutive at the end of two distinguished naming lineages. It most commonly derives from Camille, the French form of the Latin Camilla — a name made immortal by Virgil in the Aeneid, where Camilla is a warrior maiden of the Volsci, so swift she could run across a field of wheat without bending a single stalk. The name carried sacred overtones too: in ancient Rome, camillus and camilla referred to children of noble birth who assisted at religious ceremonies, untouched by impurity.
That combination of martial courage and sacred service gave the name an enduring luster. The alternative root is Cameron, the Scottish Gaelic clan name meaning "crooked nose" — perhaps a topographic reference, perhaps a description of an early clan patriarch — which has moved steadily into use as a given name for both boys and girls since the twentieth century. As a pet form of either, Cammy softens the full name into something immediately approachable and warm, carrying the affection of a family nickname into official use.
In contemporary naming, Cammy serves parents who love the sound of Cami or Cammy but prefer to register it as a complete name rather than a diminutive. It has a breezy, confident energy — the name of someone who laughs easily and arrives early. Light without being lightweight, it wears well across every stage of life and carries its classical roots gracefully, even when their origins go unremarked.