Eglossaulau 1235, Sanctus Illoganus 1291, 1342, 1354, c1400, Sanctus Eluganus at Egloshal 1302, Sanctus Iloganus 1305, Sanctus Eluganus, Ylluganus 1309, Illogani 1333, Sanctus Loganus 1373, Sanctus Illoganus alias Illugani, Seyntlugan alias Seyntlocan 1436, 1439, Illuggan 1563, Illugan 1708, Eglish Hallow 1820.