Luddington is a parish at the north of the Isle of Axholme. In 1866 the parish of Garthorpe was created from Luddington parish.
Luddington - 1086 Ludintone (Domesday Book)
Luda - persons name
ing - associated with (Old English)
tun - enclosure, village, estate or manor (Old English)
Luda + ing + tun = Luddington
Meaning - Estate associated with a man called Luda
Further reading - Mills, A. D. A Dictionary of English Place Names