| Arrez | A brave warrior of the high peaks. |
| Arriam | Serve; Help; Protect |
| Arrie | Excellent; Lion; Best |
| Arshes | Noble or Exalted |
| Arthar | A noble and courageous bear leader. |
| Arthbodu | A fierce bear of the battlefield. |
| Arthcumanu | A strong bear of the hound clan. |
| Arthfael | A prince who is like a bear. |
| Arthfoddw | A bear that is deeply sunken. |
| Arthfyw | A bear that is alive and well. |
| Arthmail | A prince who is a strong bear. |
| Arthuodu | A bear that is a noble lord. |
| Arthurus | Bear ruler or strong as a bear |
| Artmali | Bear friend or friend of the bear |
| Artos | A name meaning bear or stone. |
| Mavoheni | Great warrior or noble warrior |
| Mayew | Great lord or noble lord |
| Maykn | Great battle or great war |
| Meapa | Battle lord or lord of battle |
| Meappa | Battle lord or lord of battle |
| Mearcred | Famous spear or famous warrior |
| Mearna | Famous lord or noble lord |
| Mearth | Great earth or noble earth |
| Mearthel | Great battle or great war |
| Mede | One who is a meadow or field. |
| Medelant | Praise lord or lord of praise |
| Medgaud | Praise battle or battle of praise |
| Medraut | Praise ruler or noble ruler |
| Meilros | Sea lord or lord of the sea |
| Meilyr | A man who is a chief or leader. |
| Meirchiawn | Sea battle or battle of the sea |
| Melburne | Border; Mill Stream |
| Melda | A woman who is fair and gentle. |
| Meleagrant | Battle lord or lord of battle |
| Meledisant | Battle praise or praise of battle |
| Melehan | Derived from Welsh, possibly meaning 'blessed' or 'holy' |
| Meliagrant | Possibly derived from Greek, meaning 'honey-seller' or 'honey-sweet' |
| Meliance | Derived from French, meaning 'honey-like' or 'sweet' |
| Melias | Derived from Greek, meaning 'honey' or 'sweet' |
| Melion | Derived from Greek, meaning 'honey' or 'sweet' |