Jan 01, 1890Episcopal Church of the Transfiguration, Mountain Grove Episcopal Church of the Transfiguration, Mountain Grove Episcopal Church of the Transfiguration, Mountain Grove. Return to the diocesan timeline. Similar articles you might want to read 'Episcopal Church of the Transfiguration, Mountain Grove' Topics Timeline Tagged Church of the Transfiguration- Mountain Grove | Founding of a church Click or tap on a topic or tag to see similar posts.