Qin yi is the activity of the lack of information, until The Three Kingdoms to surname, hebei is the activity of surname early main areas.To the western jin dynasty, hunan and gansu has the footprint of easy surname, when tang dynasty name easily and migration of jiangxi, the song and yuan dynasties, in shanxi, shandong, guangdong, hubei and other areas have appeared in the last name, at the latest in the Ming dynasty, the last name entered the southwest and fujian area.

Song dynasty period, easy name is about more than 60000 people, accounting for about 0.08% of the population, the song dynasty name after one hundred and fifty.Easy to name is the first big province of hunan, which accounts for easy name is 59% of the total population.Easy surname in the national distribution mainly concentrates in hunan, jiangxi, northeast, national form the hunan-kiangsi and north area in southern shandong centered two large pieces of yi family name.

During the Ming dynasty, is about more than 17, ten thousand people, accounting for about 0.19% of the country's population, for the Ming dynasty ninety-fifth in the most popular.Easy surname in the national distribution mainly concentrates in jiangxi, hubei, hunan provinces, about 80% of the easy name of population, second distributed in sichuan, jiangsu, henan and other provinces.For easy surname first in jiangxi province.Song, yuan, Ming period, easy name is mainly to the southeast, south, west migration.National basically formed the surname in provinces along the Yangtze river as the center of clusters.