| Name | Meaning | Details |
|---|---|---|
| Molimo | "Bear Walks Into Trees Shade" | View Details |
| Moose | Largest Species In Deer Family | View Details |
| Morales | By The Mulberry Tree | View Details |
| Mulya | Knock Acorns Off A Tree | View Details |
| Oakes | Dweller By The Oak Tree | View Details |
| Oakley | From The Oak Tree Field | View Details |
| Ohara | Large Plain | View Details |
| Ohio | Large River | View Details |
| Oleander | Evergreen Tree | View Details |
| Olive | Olive Or From The Olive Tree | View Details |
| Orinda | Pine Trees | View Details |
| Ornella | Flowering Ash Tree | View Details |
| Owen | The Yew Tree Or Youth | View Details |
| Park | Cypress Tree | View Details |
| Peri | Dweller By The Pear-tree | View Details |