| Name | Meaning | Details |
|---|---|---|
| Morag | Great | View Details |
| More | Great | View Details |
| Morgan | Great Circle | View Details |
| Morgana | Great Circle | View Details |
| Oda | Great Field | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Orenda | Great Spirit | View Details |
| Orhan | Great Leader | View Details |
| Orrick | Sword Ruler | View Details |
| Osric | God Ruler | View Details |
| Polly | Great Sorrow | View Details |
| Quiqui | Ruler Of The Home | View Details |
| Ragnvaldr | Counsel Ruler | View Details |
| Rajesh | Ruler Of Kings | View Details |