No, she did not found a religious order.
Quakers
St Augustine was founded by Spanish explorers who were devout Catholics.
Roman Catholics are the largest religious group in St Lucia at about 85 %.
It was the Quakers.
Yes, I found a Zion Church Online.
The Mormons, or members of the Church of the Latter Day Saints.
Saint Bernards are of the Mastiff group, AKC Working group.
The island of St Lucia is in the (eastern) Caribbean, in the Lesser Antilles group of islands,
Angela founded the Institute of Saint Ursula (Ursuline Sisters),to teach children, beginning with religion and later expanding into secular topics.
I am almost positive it was Motown's in-house backup group, The Andantes
A religious group can be called a sect. A religious group can also be called a congregation when all attend the same church. A religious group might have more than one sect, or group of individuals, like the Amish.
Another word for religious group could be "faith community" or "religious organization."