Major Settlement in the Parish of East Harlsey
- Welberga 1086 DB
- Welleberg(e), Welleberga 1086 DB c.1291 Tax
- Welleberc, Welleberh 1198 Guis 13 YD
- Welleberyg 1301 LS
- Wel(le)byry 1310 Ch 1344 FF
- Welbery 1400 Pap 1403 YI 1508 Guis
'Spring hill' v. w(i)ella, berg . Welbury is built on the NE side of a hill (to which the name originally applied) and on the top side of the village on the hill slope is a spring known as Hali Well (6″).