In contrast to the Catholic southern islands, the northern Outer Hebrides islands (Lewis, Harris and North Uist) have an exceptionally high proportion of their population belonging to the Protestant Free Church of Scotland or the Free Presbyterian Church of Scotland.
Berbeda dengan kepulauan selatan yang Katolik, kepulauan Hebrides Luar bagian utara (Lewis, Harris, dan North Uist) memiliki proporsi populasi pengikut Gereja Bebas Skotlandia Protestan atau Gereja Presbiterian Bebas Skotlandia yang sangat tinggi.