Gaelic Name: MacTamhais
Crest: A boar’s head erased Or, langued Proper
Motto:Non Oblitus (Not forgetful)
Origin of Name: Gaelic ‘son of Thomas’
Clan Chief: Steven MacTavish of Dunardy
Cash, Holmes, Kash, MacCamish, MacCash, MacCamish, MacCammish, MacCavish, MacComb, MacCombie, MacComich, MacComish, MacComie, Macomie, MacCosh, MacKemish, MacKemmish, MacLaws, MacElhose (MacIlhose), MacLehose, MacTeague, MacThomas, Stephen(s), Stephenson, Stevens, Stevenson, Tavis, Tawis, Tawes, Tawse, Tawesson, Teague, Thom, Thomas, Thomason, Thomasson, Thompson, Thomson*, Tod, and Todd
Thom(p)sons from Perthshire and Argyllshire were part of Clan MacTavish (Not all Thomsons would have been a sept of MacTavish).
MacTavish is also down as a sept of Clan Campbell.