Auch

Etymology
There are two possible origins for this surname, one southern Germany and the other in France.

Etymology
From.

Noun

 * 1)  eye

Proper noun

 * , a habitational name from the town
 * , a habitational name from the town

Etymology
From the Middle High German Uhte, which means "night watch", "night pasture", or "the time just before dawn".

Proper noun

 * , common in Southern Germany as an occupational surname for those who watched livestock at night