February 3 is observed as the Feast of Saint Blaise (Saint Blasius) in Catholic and Orthodox tradition, making this date significant for those who bear the name in Belgium. The day is often marked by the traditional blessing of the throat.
- Blaise – From the Latin Blasius, meaning to lisp or to stammer. It honors Saint Blaise, a 4th-century bishop and martyr from Armenia, venerated as the patron saint of throat ailments.
- Blasius – The Latin and ecclesiastical form of Blaise, sharing the same meaning and devotion. It is more commonly used in liturgical or historical contexts.
