As I recall Carrier was drowning peasants so they would no longer try to support local nobles.
The “Republican marriages” of the drownings of Nantes, you’re correct.
Unfortunately, the Vendee, Chouannerie, and the existence of counterrevolutionaries in France is papered over in popular culture. Public schools anymore are lucky if they mention the Reign of Terror in any detail.
To the typical person, Les Miserables embodies the French Revolution, despite the fact that its set decades after in the July Monarchy.