Post Office from 1831. Shire town of Restigouche County 1837. Town incorporated 1905.
Probably named by Sir Howard Douglas in 1826 for James Andrew Brown Ramsay, 10th Earl and 1st Marquis of Dalhousie (1812-1860), Gov. Gen. of Canada, 1819-1828, who visited there when the place was named.
In Mi’kmaq Sigadomkuk, possibly ‘place of bright stones and many shells’.