| Syrith | c1100 (Do) |
| Segriddis | 1349 (Bo) |
| Sigridis | 1350 (Hakon) |
| Sighrid | 1371 (Hakon), 1399 (Arnulf) |
| Sygridh | 1371 (Hakon) |
| Sigris | 1382 (Benediktsson) |
| Sigridh | 1390 (Gerhvat), 1408, 1411 (Gunne), 1491 (Birgher), 1500 (Gad), 1504 (Folkmar) |
| Sighridh | 1397 (Botolf) |
| Sigrid | 1435 (Aghmund), 1515, 1521 (Botolf) |
| Sigredh | 1449 (Elef) |
| Segridh | 1492 (Gad) |