Early-attested site in the Parish of St Bees
- Loukerig' 1288 Ass
- Lokerigge 1540 MinAcct
- Lockrigg 1657 CW(OS)xiv
- Lowkrigg 1680 PR
The solitary medieval form suggests that the first element may be ON laukr , the cognate of OE lēac , 'leek.' The second element is hryggr.