Yu (surname 于)
Yu () is the 82nd surname mentioned in the "Hundred Family Surnames". According to the 2006 census of People's Republic of China, it ranks 38th nationally. In 2019 it was the 41st most common surname in Mainland China. The name is transliterated as "Vuu" in Vietnamese but is very rare in Vietnam. It is the 82nd name on the "Hundred Family Surnames" poem. Note that even though the literary usage of the character 於 was simplified to 于 in simplified Chinese, the surname usages of 於 was unchanged. So both are recognized as distinct surnames in both  simplified and traditional Chinese. 於 is the 203rd name on the "Hundred Family Surnames". 375th-most common name shared by 0.0074% of the population or 99,000 people, with the province with the most being Jiangsu. Distribution. Of the top 30 cities in China, 于 ranked 9th most common in the cities of both Changchun and Harbin. History. The Yu (于) surname originated from the surname Ji (姬). According to history records, after Zhou Wu Wang (surname Ji) overthrew the Shang Dynasty, he created many dukes. He gave his second son Yu Shu (邘叔) the Yu kingdom (邘国, in present Qinyang  in Henan), whose descendants then acquired the surname Yu (于). The Yu lived in Kaifeng and Chenliu areas in Henan for a long period of time, becoming prominent families there. After the Tang (618-907AD) and Song (960-1127 AD) dynasties, Yu families started to move to Huiji (now in Shaoxing, Zhejiang Province).