| Name | Meaning | Details |
|---|---|---|
| Mildred | Mild Strength | View Details |
| Millicent | Labor Strength | View Details |
| Morag | Great | View Details |
| More | Great | View Details |
| Morgan | Great Circle | View Details |
| Morgana | Great Circle | View Details |
| Oda | Great Field | View Details |
| Onan | Strength | 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 |
| Othniel | Strength/Lion Of God | View Details |
| Oz | Strength | View Details |
| Oziel | Having The Strength Of God | View Details |