Clan MacGregor Septs
List A : Accepted MacGregor Names and Septs
| Alpin | Grewer | Macara | MacGrowther | MacPeter(s) |
| Fletcher | Grierson | Macaree | MacGruder | MacPetrie |
| Greer/Grier | Grigg | MacChoiter | Macilduy | Magruder |
| Gregg | Grigor | MacConachie | MacLeister | Malloch |
| Gregor | Gruer | MacCrowther | MacLiver | Neish |
| Gregson | King | MacEan | MacNee | Patullo |
| Gregorson | MacAlpin | MacEwin | MacNie | Peter(s) |
| Gregory | MacAdam | MacGregor | MacNeice | Petrie |
| Greig | Macaldowie | MacGrigor | MacNeish |
List B : Documented Aliases of MacGregor from the Proscription
| Bain | Bowie | Dunn | Lockie | White |
| Beachley | Coleman | Lakie | Mor | Whyte |
| Black | Comrie | Landless | Roy | Willox |
| Bowers | Dochart | Leckie | Skinner |
List C : Traditional Aliases with little documented evidence
| Argyl | Crowther | Guiness | MacGrew | Shankland |
| Arrowsmith | Denison | Kirkwood | Macnocaird | Stringer |
| Begland | Docherty | Leishman | Macnucator | Tainsh |
| Bowmaker | Dorward | MacAndrew | Nelson | Telfer |
| Brewer | Dowie | MacAngus | Neilson | Telford |
| Caird | Fisher | MacCanish | Nucator | Tossach |
| Callander | Gair | MacGeach | Orr | Walker |
| Clark | Goodsir | Macgehee | Paterson | Weliver |
| Craigdallie | Grayson | Macghee | Peat | |
| Crerar | Gudger | MacGill | Peterson |
List D : Other Clan names that are known to have been used by the MacGregors
| Balfour | Ferguson | Livingston | MacInnes | Murray |
| Buchannan | Gordon | MacAlastair | MacNeil | Ramsay |
| Campbell | Graham | MacDonald | MacLaren | Robertson |
| Cunningham | Grant | MacDougal | MacNicol | Sinclair |
| Douglas | Hay | MacEwan | MacPherson | Stewart |
| Drummond | Johnson | MacFarlane | MacWilliams | Stirling |
| Erskine | Johnston | MacIan | Menzies | Wilson |
