From www.electricscotland.com

Clan Buchanan:

MacInair MacInally MacInayr MacInchruter MacIndeoir MacIndeor MacIndoe MacIndoer MacInnuer MacInnuier MacInnyeir MacInuair MacInuar MacInuire MacInuyer......................................... ...............................................
.................................................. ..............................MacNar MacNare MacNayair MacNayer MacNayr MacNayre MacNear MacNeer MacNeir MacNeur MacNewer MacNoyar MacNoyare MacNoyiar MacNuer MacNuir MacNuire MacNure MacNuyer.......................................... ....Maknair Maknare Maknayr Maknewar Maknoyar .............................................. Makynnair
Clan MacFarlane:

MacKnaer MacKnair MacKnaire ............... MacKynnair MacKynnayr ............................... MacNair ..............MacNar MacNare MacNayair MacNayer MacNayr MacNayre MacNeadair MacNear ............................... MacNeer MacNeir MacNettar MacNeur MacNewer ....................................r MacNoyar MacNoyare MacNoyiar MacNuer MacNuir MacNuire MacNure MacNuyer MacNvyr
Clan MacNaughton:

MacInair MacInayr MacInnuer MacInnuier MacInnyeir MacInuair MacInuar MacInuire MacInuyer MacKynnair MacKynnayr .................................................. ............................ MacNair ............................. MacNar MacNare..............................
MacNayair MacNayer MacNayr MacNayre ........................... MacNear MacNeer .............. MacNeir .................. MacNeur MacNevin MacNewer .................................................. ...... MacNoyar MacNoyare MacNoyiar MacNuer MacNuir MacNuire MacNure
Obviously, check their claims, do your own genealogy research....