

In Shanghai, China, the surname 徐 is translated as Zee. For Hoa people the name is written as Hái or Hy in Vietnamese.

In Southern Min, 許/许 is transcribed in Pe̍h-ōe-jī as Khó, in Teochew as Kóu, and customarily spelled Koh, Khoh, Khor, Khaw, or Ko. In Cantonese, 許/许 is systemically transcribed in Jyutping as Heoi and in Yale Romanization as Héui customary spellings include Hui, Hoi, or Hooi 徐 is often transcribed as Tsui, T'sui, Choi, Chui or even Tsua. Variations in Chinese dialects and other languages It is believe that, 徐 is one of the branches of the royal house name Yíng, as well as nobel Manchurian family Šumuru, or Xiongnu of Central Asia.

On the other hand, 徐 was listed as the 11th most common surname within the People's Republic of China, and 許/许 was the 26th most common according to the List of common Chinese surnames. In Taiwan, the total population of 徐 less than 1%, while 許 is a more common surname ranking 11th with 2.33%. simplified Chinese : 许 traditional Chinese : 許 pinyin : Xǔ Wade–Giles : Hsü 3.Chinese : 徐 pinyin : Xú Wade–Giles : Hsü 2.Both of these Chinese surnames are transliterated as Xu in pinyin and Hsü in the Wade–Giles system (sometimes spelled without the diaeresis as Hsu). Xu is either of two surnames of Chinese origin that are homographs when transliterated.
