Barrington Street is part of the original street grid laid out by engineer John Bruce and surveyor Charles Morris when Halifax was established as a British fortress. The streets were named after leading British statesmen, but the origin of the name Barrington Street is reportedly unclear. One account suggests the street is named after William Barrington, 2nd Viscount Barrington, who served as a Secretary of War but was an "unknown" in 1749 when Halifax was founded. Others say the street name is derived from a misspelling of the Earl of Harrington, the Secretary of State.