| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 2401 | Nydia | Latin | Refuge; Nest. | F | |
| 2402 | Nyx | Latin | Blond. | F | |
| 2403 | Octavia | Latin | Born Eighth. In the Roman Empire, Octavia was the sister of Octavian who was married to Mark Antony (as a political alliance). They were later divorced (in 32 BC). | F | |
| 2404 | Octavian | Latin | Variant of Octavius: Born eighth. Octavian was the name used commonly for the Emperor Augustus. | M | |
| 2405 | Octaviana | Latin | Eighth. Feminine of Octavius. A clan name of Roman Emperors. | F | |
| 2406 | Octavie | Latin | Born eighth. | F | |
| 2407 | Octavio | Latin | Eighth. | M | |
| 2408 | Octavius | Latin | Born eighth. Octavius was a Roman clan name, as well as the original name of Emperor Augustus (commonly known as Octavian). Traditionally, this name was given to the eighth child in a large family. | M | |
| 2409 | Ocyale | Latin | An Amazon. | F | |
| 2410 | Odessa | Latin | Wandering; quest. Variant of Odysseus. | F | |
| 2411 | Oenone | Latin | Daughter of Cebren. | F | |
| 2412 | Oetavian | Latin | Born eighth. | M | |
| 2413 | OIethe | Latin | Honest. | F | |
| 2414 | Oistin | Latin | Revered. | M | |
| 2415 | Olethea | Latin | Honest. | F | |
| 2416 | Olethia | Latin | Honest. | F | |
| 2417 | Olinda | Latin | Fragrant. | F | |
| 2418 | Olithia | Latin | Honest. | F | |
| 2419 | Oliva | Latin | Variant of Olive: Olive: symbol of peace. | F | |
| 2420 | Olive | Latin | Symbol of peace. | F | |