Luduha, Ludua, Luduham, Luduam 1086, Luduham 1089, Ludahan c1150, Luduan c1180, Luduwon c1180, 1260, 1280, 1301, Ludwan 1201, Ludewan 1245, 1301, 1330, Ludgevon 1270, 1331, Ludevon 1270, 1303, 1331, 1428, Ludeweyn 1227, Lodwan 1275, Leudvon 1279, Ludvon 1283, 1350, 1438, 1470, 1585, 1592, Luduwon, Ludven, Luddeuan, Ludeuon,Luduon, 1284, Ludewon Eglos 1289, Ludewon 1291, 1302, 1303, 1324, 1329, 1348, Lydwon 1296, 1390, Lidwon 1296, c1360, Ludowen, Lodewen 1302, Ludwon 1302, c1360, S. Ludwanus 1312, 1318, S. Ludewan 1312, Ludwon Eglos 1316, S. Ludewanus 1319, 1382, Lodewan 1324, Ludewan 1330, Ludefon 1333, Ledeweyn 1335, Ludeuon 1336, Lodevon 1346, Lidwan c1360, Ludvoyn 1362, Lusvaneglos, Lusuaneglos 1366, S. Ludvonus 1418, Lugevan, Ludvon, Ludvone 1438, Lusewan 1454, Ludvaen, Ludvan 1469-70, Lusewyn 1470, Lusvan 1569, 1580, Ludsvan Ludsvane 1580, Ludgevan, Luddwin 1584, Ludgwin c1600, Luddesvan 1613, Ludgvan c1626,1676, 1679, c1680,1700, 1720, 1771,1784, Leigian 1700, Lydgian 1750, St Ludgvan 1899