| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Siward | - | Ancient Germanic | ||
| Swanahilda | - | Ancient Germanic | ||
| Thancmar | - | Ancient Germanic | ||
| Thankarat | - | Ancient Germanic | ||
| Theobald | THEE-ə-bawld (English) | English (Rare), Ancient Germanic | ||
| Theoderich | - | Ancient Germanic | ||
| Theodoar | - | Ancient Germanic | ||
| Theodoard | - | Ancient Germanic | ||
| Theodoricus | - | Ancient Germanic (Latinized) | ||
| Theothelm | - | Ancient Germanic | ||
| Theotleip | - | Ancient Germanic | ||
| Theotman | - | Ancient Germanic | ||
| Theudelinda | - | Ancient Germanic | ||
| Theudemar | - | Ancient Germanic | ||
| Theudhar | - | Ancient Germanic |