Boileau Family History
Boileau Name Meaning
French: nickname from Old French bois l'eau ‘drink water’ (from the Old French verb boire ‘to drink’ + the definite article l' + eau ‘water’) hence a nickname probably ironic for a heavy drinker or a teetotaler or perhaps for someone who disliked ale (the usual everyday drink in medieval Europe) or wine; compare English Drinkwater . The surname Boileau is also found in Britain. Compare also Bilow and Ballou
Source: Dictionary of American Family Names 2nd edition, 2022