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Worldwide, Tremblay (Tremblay ) is a rare gender-neutral first name. The forename Tremblay is habitual in New Zealand, where it is a rare gender-neutral name, Canada, where it is a very rare epicene name, and China, where it is an extremely rare epicene name. Much more frequently, Tremblay is the last name as well as the forename.
Tremblay is also a name for the fictitious and mythical characters: .