Family History and Genealogy Resources by Surname
Metternich Surname Origin
(Origin Dutch) From Metter, middle or in, and naght, night--middle of the night; born in the middle of the night. Metternach, local, the town next to the middle place, from nach, next, after, behind, at, or by.
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.
Metternich Surname Meaning and Family Facts
There is more to Metternich family history than the origin of your surname:
A Metternich Family History Thought:
'Every man is his own ancestor, and every man his own heir. He devises his own future, and he inherits his own past.' -- H. F. Hedge