Saint-Hilaire is a geographic parish in Madawaska County, New Brunswick, Canada.

[2] For governance purposes it is part of the incorporated rural community of Haut-Madawaska,[3] which is a member of the Northwest Regional Service Commission (NWRSC).

[5] Saint-Hilaire was erected as Saint Hilaire in 1877 from Madawaska and Saint-François Parishes.

[6] In 1930 Baker Brook Parish was erected from the western part of Saint-Hilaire.

[7] In 1946 Saint-Hilaire was affected by the major reorganisation of Madawaska County parish boundaries.