The diocese was formed in 1996 when the Canadian and American branches of the Reformed Episcopal Church were reunited.
It was the smallest of both denominations' dioceses, comprising only two parishes in British Columbia, Canada.
The Missionary District of Cuba was launched after a special request of people who wished to affiliate with the Reformed Episcopal Church and were unable to do so except with a Canadian jurisdiction because of the United States embargo in the country.
It is currently the only jurisdiction of the Anglican Church in North America outside the United States and Canada.
[2] It was decided to extinct the diocese, due to its small size with only Living Word Reformed Episcopal Church remaining in Canada, and to incorporate her at the Diocese of Mid-America, as the Convocation of the West and Western Canada, of which is now a member.