Árainn Mhóir - Beaver Island memorical at Loch Thoir - In 1851 a family of O'Donnells emigrated to Beaver Island, Michigan after being evicted from their Arranmore home. A number of Arranmore familes soon followed and by 1880 there were 128 Gallaghers, 114 O'Donnells and many Boyles and Wards living there.