Family History and Genealogy Resources by Surname
Menzies Surname Origin
Said to be originally Maynoers, Meyners, then Menys afterward Meynes or Mengies, and now Menzies--a branch of the family of Manners, in England, the name being originally the same. I think, rather, the name is derived from the parish of Monzie, in Perthshire, Scotland.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Menzies Surname Meaning and Family Facts
There is more to Menzies family history than the origin of your surname:
A Menzies Family History Thought:
'The only thing new in the world is the history you don't know.' --Harry S. Truman