Watchman or protector
Guerin is a surname-turned-given name derived from the Germanic name Warin. It was introduced to the English-speaking world via the Norman French and is also found as a traditional Irish surname (Ó Géaráin).
Fewer than 5 boys were named Guerin in 2025.
US births per 5-year period, 1990–present (SSA data).
Television host and sports reporter
Chancellor of France and Bishop of Senlis
