He represented Westmorland County in the Legislative Assembly of New Brunswick from 1916 to 1920 as a Liberal member.
He was born in Shediac, New Brunswick, the son of Edward J. Smith and Amelia Robb.
Smith was first elected to the Legislative Assembly by defeating Patrick G. Mahoney in a 1916 by-election held after Mahoney was named to the provincial cabinet and so forced to present himself again for reelection.
Appointed to the Executive Council, he served as Minister of Lands and Mines from April 4, 1917 to September 14, 1920.
His uncle Albert James Smith was a premier of New Brunswick who also served in the House of Commons.