Noh (노 in South Korean Format or 로 in North Korean Format/魯) sometimes romanized No, Roh or Ro is a common Korean Surname which means 'rash and vulgar', similar to Chinese Pinyin Lǔ. The number of Koreans who bear the surname of 魯 are three times lesser than the Koreans who born with the surname of 盧 (cottage). Ironically, these two Hanja Characters are pronounced as Noh or Roh (노/로) in Hangul. Same as its counterpart - the 'cottage Roh', it is one of the Korean Surnames which followed Korean Beginning Sound Rule System a.k.a Du-eum Beopchik (두음 법칙/頭音法則).
According to several ancient genealogy texts including the Tang Dynasty Yuanhe Xing Zuan, Xing Pu (姓谱), and Xingshi Kaolue (姓氏考略), the surname Lu 鲁 originated from the ancient State of Lu, which was founded by Bo Qin, son of the Duke of Zhou, in the 11th century BC. During the Warring States period, Lu was conquered by the State of Chu, one of the seven major powers at the time, in 256 BC. Many people of Lu subsequently adopted the name of their former state as their surname. It is considered a branch of Ji 姬, the royal surname of the state of Lu.
Based on the 2000 Korean Republic Census - provided by Statistics Korea (통계청/統計廳/Tonggyecheong/KOSTAT), there are 67,032 people in 20,829 families who bear the surname of Noh. Hence, this clan is placed at 61st place in Korean Surnames List. There are three designated clans (본관/本貫) for this clan which are:
- Ganghwa Noh Clan (강화 노씨/江華魯氏) = Originated from Ganghwa County, Incheon Metropole, ROK
- Hampyeong Noh Clan (함평 노씨/咸平魯氏) = Originated from Hampyeong County, Southern Jeolla Province, ROK
- JinGang Noh Clan (진강 노씨/鎭江魯氏) = Originated from Zhenjiang City, Jiangsu Province, PROC
The Hampyeong Lineage is the largest among three, where this lineage consists of 25,408 people in 7,777 families. Hampyeong Noh Clan was founded by Noh Mok (노목/魯穆), an officer in Hampung Commandeers during the reign of King Injong Wang Hae (1109-1146), 17th King of Goryeo Dynasty. During the outbreak of Japanese Imjin Invasion (1592-1598), this clan showed their military finesse, defending Joseon Dynasty from Japanese Invading Forces.