| Main index | Contents of Onomastikon |
| Western Europe index | Other western European names |
| History | A short historical background |
| Names | German naming practices |
| Germanic | Names of Germanic origin |
| Biblical | Names of Biblical origin |
| Latin | Names of Latin origin |
| Greek | Names of Greek origin |
| Low German | Names of Low German origin |
| Various | Other foreign names, combined names |
| Medieval | Medieval first names |
| Surnames | German surnames |
| Rulers | Kings, Holy Roman Emperors, Hanover, Prussia |