From a Norman French place name, possibly meaning 'belonging to Chantiacum,' used in early New England.
Chauncey arrived in England with the Norman Conquest, deriving most likely from the French place name Chancé in Brittany, or possibly from the Old French word for 'chancellor.' It took root in the English aristocracy and eventually crossed the Atlantic with the Puritan settlers, who carried a fondness for surnames-as-given-names. The Chaunceys of New England were a distinguished family — Charles Chauncy served as the second president of Harvard College in the seventeenth century, cementing the name's association with learning and civic life.
Through the nineteenth century, Chauncey was a respectable if slightly formal choice, common enough in the American Northeast that it felt neither exotic nor ordinary. It is the name of Chauncey Depew, the silver-tongued senator and railroad baron who epitomized the Gilded Age's particular blend of eloquence and self-interest. Literary culture found uses for it too: Jerzy Kosiński's 1970 novel Being There features Chauncey Gardiner, a simple-minded gardener mistaken for a profound philosopher — a name choice that plays on the name's air of stiff gentility.
By the twentieth century, Chauncey had drifted into the realm of the pleasantly old-fashioned, acquiring a whimsical, almost Dickensian flavor. Today it occupies a curious niche — too rare to feel common, too rooted to feel invented — and has found admirers among parents drawn to vintage American names with real historical weight. The nickname Chance gives it a modern edge without abandoning the original's quiet dignity.