Ahr

Etymology 1
From, derived from an obsolete word for "water" present in other hydronyms such as and , from.

Proper noun

 * 1) A German river that flows from the Rhine to the North Sea

Etymology 2
Borrowed from.

Statistics

 * According to the 2010 United States Census, Ahr is the 41501st most common surname in the United States, belonging to 524 individuals. Ahr is most common among White (92.56%) individuals.