| Abbreviation | Definition | Source Type | Occurrences |
|---|---|---|---|
| KCD | Codex Diplomaticus Aevi Saxonici, ed. J. M. Kemble, 6 vols., London 1839-48. | source | 874 |
| Historical place-name form | Year and Source | Type of place | County |
|---|---|---|---|
| æt niwanham | 1021-3 KCD 736 | Settlement | Northamptonshire |
| æt Pegecyrcan | 1042-66 (c. 1200) KCD 726 | Settlement | Northamptonshire |
| Badebi | 1020 (14th) KCD 1316, 1086 DB , 1166 P | Settlement | Northamptonshire |
| Bernewell | 1060 (1350) KCD 809, 1086 DB et passim to, 1424 AD iii | Settlement | Northamptonshire |
| Bernewelle | 1060 (1350) KCD 809, 1086 DB et passim to, 1424 AD iii | Settlement | Northamptonshire |
| Bydewil | 1043 KCD 767 | Place | Northamptonshire |
| Clinton | 1060 (c. 1350) KCD 809, 13th AD ii, 1285 Ass | Settlement | Northamptonshire |
| doddafordinga land | 1043 KCD 736 | Settlement | Northamptonshire |
| doddafordung gemære | 1043 KCD 736 | Settlement | Northamptonshire |
| dræghæma gemære | 1021-3 KCD 736 | Place | Northamptonshire |
| eofordunenga gemære | 1021-3 KCD 736 | Settlement | Northamptonshire |
| Kildesbig | 1043 (17th) KCD 916 | Settlement | Northamptonshire |
| Newæham | 1020 (14th) KCD 1316 | Settlement | Northamptonshire |
| Twiwel | 1013 (14th) KCD 1308 | Settlement | Northamptonshire |
| Wealtun | 1016 (c. 1200) KCD 726 | Settlement | Northamptonshire |
| Winewican | 1043 (14th) KCD 916 | Settlement | Northamptonshire |
| Ysham | 1060 (c. 1350) KCD 809 et passim to, 1314 Cl | Settlement | Northamptonshire |