Quency / Quincy / Quintus

The name Quency is a variant of Quincy, which is derived from the Roman personal name Quintus. Quintus means 'fifth' in Latin and was traditionally given to the fifth-born child in a family. Over time, Quintus evolved into a surname, particularly in France, where it became Quincy. The surname then migrated to English-speaking countries, where it was eventually adopted as a given name.

The name Quincy, and by extension Quency, gained some prominence due to historical figures and places. For example, the Quincy family in Massachusetts was a prominent American political family, and the city of Quincy, Massachusetts, is named after them. The 'Quency' spelling is less common than 'Quincy' and likely emerged as a phonetic or stylistic variation.