Chio

Etymology 1
From, from , from.

Proper noun

 * 1) * 1771, Encyclopaedia Britannica, 1st ed., Vol. II, p. 192:
 * CHIO, Chios, Xio, or Scio, an Aſiatic iſland, lying near the coaſt of Ionia, in Natolia or Leſſer Aſia, about one hundred miles weſt of Smyrna. It is called by the Turks Sakiſaduci, and is about one hundred miles in circumference; being chiefly inhabited by Chriſtians of the Greek church, who are ſaid to have three hundred churches in the iſland... Chio is alſo the capital of the above iſland, ſituated on the eaſt coaſt...
 * CHIO, Chios, Xio, or Scio, an Aſiatic iſland, lying near the coaſt of Ionia, in Natolia or Leſſer Aſia, about one hundred miles weſt of Smyrna. It is called by the Turks Sakiſaduci, and is about one hundred miles in circumference; being chiefly inhabited by Chriſtians of the Greek church, who are ſaid to have three hundred churches in the iſland... Chio is alſo the capital of the above iſland, ſituated on the eaſt coaſt...

Etymology 2
From. This surname is mostly found in Macau.

Statistics

 * According to the 2010 United States Census, Chio is the 34539th most common surname in the United States, belonging to 655 individuals. Chio is most common among Asian/Pacific Islander (56.95%), Hispanic/Latino (21.37%) and White (20.61%) individuals.