Usually ‘estate associated with a man called Ealdhere’, OE pers. name +
-ing- +
tūn:
Alderton Gloucestershire
Aldritone (1086) (DB).
Alderton Northamptonshire
Aldritone (1086) (DB).
Alderton Wiltshire
Aldrintone (1086) (DB).
However two Aldertons have a different origin, ‘farmstead where alders grow’, OE
alor +
tūn:
Alderton Shropshire
Olreton (1309).
Alderton Suffolk.
Alretuna (1086) (DB).