Gailliard

A surname of French origin. Gailliard is a variant spelling of Gaillard, deriving from the Old French word "gaillard" which meant "vigorous," "brave," "high-spirited," or "jolly." As a surname, it was likely originally a nickname given to someone possessing these qualities. The name is prevalent in France, and descendants have migrated to other countries, including the United States. Variations in spelling are common due to regional dialects and transcription errors over time. The surname Gailliard is relatively uncommon compared to its root form, Gaillard.