How did Cai's surname originate?

1. From Ji's surname. He is a descendant of Ji Chang, the king of Zhou Wen, and takes the country as his surname. After the King of Wu destroyed the Shang Dynasty, his fifth brother was granted a degree in Cai, which was called Cai Shudu in history. In Zhou Chengwang, Cai Zhong, the son of Cai Shudu, was renamed Cai, and the new Cai kingdom was in Shangcai County, Henan Province. After Chu destroyed Cai, Chinese people took the country as their surname and scattered around.

2, from the surname. From the fief of the branch of the Yellow Emperor, it belongs to the name of the fief. The surname Ai is a direct descendant of the Yellow Emperor. During the Yao, Shun and Xia dynasties, the clans to which the surname Ai belonged, such as Yan, Kan, Yin, Cai and Lu, were distributed in the Weihe River basin, along the Yellow River to the east and west of Henan. Cai, a branch of Wa surname, holds a high position as a sacrificial duty in the tribe. Cai and Ji were commonly used in ancient times, so Cai came from Ji.

3, from ethnic minorities. The incident in which Cai's surname flowed into foreign blood mainly occurred after the Song Dynasty. Later, Wu Lin, the jurchen of the State of Jin, changed all her surnames to Cai, and the surnames of Cai Jia, Wu Ling A's and Samala's of Manchu Eight Banners in the Qing Dynasty were all changed to Cai.

After living with the Han nationality for a long time, these foreigners gradually assimilated into the Cai surname of the Han nationality in the north and flourished in the northeast. A large part of Cai's surname among the ethnic minorities in Guizhou and Guangxi was assimilated into the southern Han nationality, mainly during the Ming and Qing Dynasties.

Population distribution:

During the Song Dynasty, there were about 44, people surnamed Cai, accounting for .57% of the national population, ranking 36th. Fujian is the largest province with Cai surname, accounting for 21.2% of the total population of Cai surname in China.

The distribution in China is mainly concentrated in Fujian, Shandong and Henan, and the Cai surname in these three provinces accounts for 51% of the total population of Cai surname, followed by Jiangxi, Zhejiang, Hebei, Hubei and Jiangsu provinces. The whole country has formed two population gathering centers named Cai, namely, the southeast coastal areas of Fujian, Jiangxi, Zhejiang and Jiangsu, and the central plains of Lu Yu, Hebei and Hubei.

during the Ming dynasty, there were about 46, Cai surnames, accounting for .49% of the national population, and it was the 46th surname in the Ming dynasty. Zhejiang is the largest province with Cai surname, accounting for about 2.2% of the total population of Cai surname. The distribution in China is mainly concentrated in Zhejiang, Jiangxi, Fujian and Jiangsu. The Cai surname in these four provinces accounts for about 63% of the total population of Cai surname, followed by Guangdong and Hunan provinces.

during the song, yuan and Ming dynasties, the population of Cai mainly migrated from the north to the southeast and south, especially to the coastal areas of Jiangsu, Zhejiang and Fujian. The population of Zhejiang, Jiangxi, Fujian, Jiangsu and Cai has re-formed. ?

The population of contemporary Cai surname has reached 5.52 million, which is the 44th surname in China, accounting for about .46% of the national population. The distribution of Cai surname in China is mainly concentrated in Guangdong, Zhejiang and Jiangsu provinces, accounting for about 35% of the total population of Cai surname; Secondly, it is distributed in Sichuan, Hubei, Taiwan Province, Anhui and Fujian, and these five provinces are concentrated by 32%.

Guangdong is home to 13.7% of the total population of Cai, making it the largest province of Cai, accounting for 1% of the total population of the province. The whole country has formed a high proportion of Cai surname areas in the southeast coastal areas.

In the past 6 years, the degree and direction of the population movement of Cai's surname are somewhat different from those in the Song, Yuan and Ming Dynasties. Although there are cases of moving back to central and northern China, the migration to the southeast is still the mainstream, and there are also immigrants to the west and northeast.