MacEwen Armorial Bearings

Arms of MacEwan of Muckley, 1743.
Muckley was descended from the MacDougall chiefs, and takes the MacEwan name from Ewan Mor MacDougall of Balinreoch; the lion here is derived from the arms of MacDougall.
Motto unknown

Arms of MacEwan of Glenboig, 1796.
Usually in Scottish heraldry, all armigers of the same surname bear related coats of arms, but Glenboig is quite unlike any others within the clan.
Motto: Pervicax Recti

Arms of McEwen of Marchmont and Bardrochat.
These arms are clearly related to the earlier arms of MacEwan of Muckley.
Motto: Reviresco

Arms of Ewing, 1566.
These are the arms recorded for the name Ewing in the Workman Armorial. This armorial is dated 1566, making this by far the earliest grant of arms within the clan.
Motto: Audaciter