Roman Catholic Resources

I'm not religious, but my character is. It's "parish", a term Catholic? Is there an equivalent to the terms and Protestant parish parishioner? Like, you can have a "Baptist church"? Related posts:

1. Does anyone know of a progressive Catholic parish on the banks / / Brookfield Lagrange area of Chicago?
2. What does the term "Protestant" media ever talk to a Catholic?
3. It will be a Protestant, Catholic Marriage Work?