Yin

Etymology 1
From the romanization of various Chinese characters.

Statistics

 * According to the 2010 United States Census, Yin is the 5324th most common surname in the United States, belonging to 6548 individuals. Yin is most common among Asian/Pacific Islander (93.97%) individuals.

Etymology 2
A borrowing of

Proper noun

 * 1) A mountain range in northern China at the southeast end of the Gobi Desert.

Etymology 3
From.

Proper noun

 * 1)  an alternative name for the Shang dynasty