These names are adopting in Guam and that is the way these are so popular in this country. See full list of Girls, Boys and Transgenders Baby Name Famous in Guam Country.
| Name | Meaning | Details |
|---|---|---|
| Odón | Ric | View Details |
| Ogden | From The Oak Valley | View Details |
| Olalla | Well Spoken | View Details |
| Oliana | My God Has Answered | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Oliva | Elf Army | View Details |
| Olive | Olive Or From The Olive Tree | View Details |
| Oliver | Descendant Of The Ancestor | View Details |
| Olivia | "Ancestors Descendant" | View Details |
| Ollie | Elf Army | View Details |
| Ondina | Water Sprite | View Details |
| Onofre | Peace Warrior | View Details |
| Onyx | Black Gemstone | View Details |
| Ora | Prayer | View Details |
| Oracion | Prayer | View Details |