Celtic Church
- the Christian Church in the British Isles from its foundation in the 2nd or 3rd century until its assimilation into the Roman Catholic Church (664 in England; 12th century in Wales, Scotland, and Ireland)凯尔特教会（不列颠群岛基督教教会, 创立于公元2或3世纪, 后并入罗马天主教, 英格兰于664年并入, 威尔士、苏格兰和爱尔兰于12世纪并入）。