In terms of religion, most Swiss immigrants were Reformed or Lutheran and merged into larger German communities. Some were Mennonites or belonged to small, highly traditional sects like the Amish. They formed tight-knit closed communities that still exist. | In terms of religion, most Swiss immigrants were Reformed or Lutheran and merged into larger German communities. Some were Mennonites or belonged to small, highly traditional sects like the Amish. They formed tight-knit closed communities that still exist. |