High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Song is one of the well-known Korean surnames. The rare Song, the origin and its progenitor are unknown. According to the 1975 Census, this Song ranked 248 out of reported 249 surnames in Korea. In 1985, 29 families were reported existing, and it ranked 213 out of the 274 names. 3 Branches from the root are considered major: Kim-Hae, Shin-Pyung, and Yong-Sung. For the other majorly known and generally used Song, a naturalized-Korean citizen named Song Joo-Eun from China's Tang Dynasty in the 1300s became the progenitor of the people bearing his surname. The reason for Song's naturalization to Korean citizenship is unknown, but he was a highly ranked court official during Korea's Silla Dynasty.