| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 481 | Donavan | Irish | Brown-haired chieftain. | M | |
| 482 | Donavon | Irish | Brown-haired chieftain. | M | |
| 483 | Donegan | Irish | Surname. | M | |
| 484 | Donell | Irish | Variant of Donald 'great chief.'. | M | |
| 485 | Donn | Irish | Brown. In mythology the Irish Donn was known as king of the underworld. | M | |
| 486 | Donnan | Irish | Brown. | M | |
| 487 | Donnchadh | Irish | Brown warrior. | M | |
| 488 | Donnel | Irish | Variant of Donald 'great chief.'. | M | |
| 489 | Donnell | Irish | Variant of Donnelly: Man with dark skin. Variant of Donald 'great chief.'. | M | |
| 490 | Donnelly | Irish | Man with dark skin. | M | |
| 491 | Donny | Irish | Diminutive of Donovan: Brown-haired chieftain. From an Irish surname meaning dark brown. | M | |
| 492 | Donogh | Irish | Variant of Donagh: Brown warrior. | M | |
| 493 | Donough | Irish | Variant of Donagh: Brown warrior. | M | |
| 494 | Donovan | Irish | Brown-haired chieftain. From an Irish surname meaning dark brown. | M | |
| 495 | Donoven | Irish | Variant of Donovan: Dark. | M | |
| 496 | Donovon | Irish | Variant of Donovan: Dark. | M | |
| 497 | Doogan | Irish | Variant of Dugan: Swarthy. | M | |
| 498 | Dooley | Irish | Hero with dark skin. | M | |
| 499 | Doran | Irish | Stranger or exile.Variant of Dorran. | M | |
| 500 | Doron | Irish | Variant of Dorran 'stranger.'. | M | |