Motto: This I’ll Defend
Origin of Name: Son of Parland
Lands: Loch Lomond, Tarbert, and Arrocher
Clan Chief: None, armigerous clan
Allan, Allanach, Allanson, Allison, Arrell, Arrol, Barclay (in Ulster), Bart, Bartholomew, Bartie, Bartson, Black*, Brice, Bryce, Caa, Callander, Caw, Condey, Condeyie, Condy, Cunnison, Galloway (in Stirling), Grassick (in Montrose), Grassie (in Aberdeen), Greusaich, Griesch (in Aberdeen), Grua- mach, Kennson, Kinnieson, Kinnison, Knox, Leaper, Lechie, Lennox, MacAindra, MacAllan, MacAllen, MacAndrew, MacAndro (in Dunbarton), MacCaa, MacCause, MacCaw, MacCondey, MacCondeyie, MacCondy, MacEach, MacEachern, MacEoin, MacErrachar, MacErracher, MacFarlan, MacFarland, MacFarlane, MacFarquahar, Macferlant (in Poland), MacGaw, MacGeoch, MacGilchrist, MacGreusach, MacGreusich, MacInally, MacInnes, MacInnis, MacInstalker, MacIock, MacJames, MacJock, MacKindlay, MacKinlay, MacNair, MacNaiyer, MacNayer, MacNeur, MacNider, MacNiter, MacNoyer, MacNuyer, MacRobb, MacWalter, MacWilliam, McFarlan, McFarland, McFarlane, Michie, Millar, Miller (in Dunbarton), Monach, Monachock, Nacfaire (in France), Parlan, Robb, Smith (in Dunbarton), Spruell, Stalker, Thomason, Thomson, Weaver, Webster, Weir, Williams, Williamson, Wilson, Wylie, Wyllie.
This is from the Clan MacFarlane Society website, they have taken it from FamilyTreeDNA