 On 21 August 1991, an F3 tornado, the ""tornade de Maskinongé"", touched down in Notre-Dame-de-Pierreville (today part of Pierreville), destroying a number of summer homes in the area and injuring 15 people.On June 13, 2001, the parish municipalities of Notre-Dame-de-Pierreville and Saint-Thomas-de-Pierreville merged with the village municipality of Pierreville to form the new municipality of Pierreville.Population trend