| Sept | Clan | |
| MacTaggart | Ross | |
| MacTary | Innes | |
| MacTause | MacTavish | |
| MacTear | Ross | |
| MacThomas | Campbell | |
| MacTier | Ross | |
| MacTire | Ross | |
| MacTrein | Donald (South) | From Kintyre. They derive from: Gaelic Mac Treun - "son of the strong" or "champion". Hereditary champions to the Lords of the Isles. Islay & Kintyre |