Blacks Harbour's exact origin is unknown, possibly an early family name.

[2] On 1 January 2023, Blacks Harbour amalgamated with St. George and all or part of five local service districts to form the new incorporated rural community of Eastern Charlotte.

[3][4] The name Blacks Harbour remains in official use.

[5] Blacks Harbour is the northern terminus for the year-round Blacks Harbour to Grand Manan Island Ferry operated by Coastal Transport Fishing has been a vital part of its existence for over 200 years.

Connors Brothers Limited was founded in 1885 at Blacks Harbour, now a major international processor of all types of seafood.