His brother Zhou Gong was named Lu, the son of Zhou Gong, and the ostrich gave birth to grandchildren and ate in Qin Yi. Later generations took Yi as their surname. Zhou established the State of Qin in Feng Boyi's descendant concubine. After the demise of the State of Qin, he adopted a family. In the pre-Qin period, the surname Qin mainly lived in Henan, Shaanxi, Shandong, Sichuan, Hubei, Hebei and other places.

Qin and Han Dynasties is an important stage of Qin surname's migration in different places. At the beginning of the Western Han Dynasty, Liu Bang followed Qin's surname in Shandong, and at the same time immigrated from Shandong to Jiangsu and began to enter the southeast region. During the Three Kingdoms and the Jin Dynasty, the surname Qin continued to develop in Sichuan and the Central Plains, and it has been distributed in Hunan and Jiangxi. During the Song, Yuan and Ming Dynasties, Qin traveled to Guangxi, Guizhou and Fujian.

Historical distribution of population:

In the Song Dynasty, there were about 1 100000 people surnamed Qin, accounting for 0. 15% of the national population, ranking behind one hundred. The largest province of Qin surname is Jiangsu, accounting for about 43% of the total population of Qin surname in China.

The distribution in China is mainly concentrated in Jiangsu, Sichuan and Henan, accounting for about 80% of the total population of Qin, followed by Hebei, Guangxi, Jiangxi, Zhejiang and other provinces. The country has formed three major Qin surname gathering areas: Jiangsu and Zhejiang in the east, Sichuan in the west and Henan and Hebei in the Central Plains.

The population of contemporary Qin surname is more than 3.2 million, which is the seventy-fourth surname in China, accounting for about 0.26% of the national population. In the 600 years since the Ming Dynasty, the population of Qin surname has soared from 230,000 to more than 3.2 million, increasing by 1 1 times, and the population growth rate of Qin surname is the same as that of the whole country.

During the period from 1000 since the Song Dynasty, the population growth rate of Qin surname has been on the rise. At present, the distribution in China is mainly concentrated in Henan, Guangxi, Hebei, Sichuan and Shanxi provinces, accounting for about 47% of the total population of Qin. Secondly, it is distributed in Chongqing, Jiangsu, Hubei and Anhui, and the surname of Qin in the four provinces is 22%.

Henan is the largest province with Qin surname, accounting for 15% of the total population of Qin surname in China. The whole country has formed four Qin surname gathering areas: Henan in the Central Plains, Guangxi in the south, Hebei in the north and Sichuan in the west. In the past 600 years, the population of Qin surname moved back from southeast to central China, north China and west China very strongly. The rapid growth of the population of Qin surname in southwest and northeast China may be related to the accelerated process of localization of local ethnic minorities.

Qin surnames are distributed in Henan, Shanxi, Shaanxi, western Shandong, southern Hebei, central Inner Mongolia, northern Anhui and Jiangsu, most of Hubei, Guangxi, Guizhou and Chongqing, eastern Sichuan, western Guangdong, central Gansu and southeastern Heilongjiang. The proportion of Qin surname in the local population is generally above 0.39%, and it can reach more than 2% in the central region.

The above-mentioned areas account for about 23.6% of the total land area, and about 65% of people surnamed Qin live here. Most of Gansu, Ningxia, central and western Inner Mongolia, northwestern Hebei, Beijing and Tianjin, eastern Heilongjiang, northeastern Jilin, southern Liaoning, eastern Shandong, central Anhui, Jiangsu and eastern Hubei.

In northeastern Hunan, western Jiangxi, central Guangdong, Hainan, eastern Yunnan, most of Sichuan, eastern Qinghai and northwestern Xinjiang, the surname of Qin generally accounts for 0.26%-0.39% of the local population, accounting for about 22.2% of the total land area, and about 24% of the population of Qin lives.

On June 24th, 2022 1, the Population Administration Research Center of the Ministry of Public Security released the 202 1 National Name Report. According to the report, the province with the largest population distribution of Qin surname is Henan.