There are three more than name of origin:

More than 1, according to the customs pass, name for "by yu, localized increased state, for family xinan, looked out the Pi, Wu Xing".The state of qin during the spring and autumn when a minister d call by yu, his ancestors were JinRen, run away from social upheaval in xiong.By tallies after xiong the officer, were ordered to qin, see Qin Mu public virtue magnanimous, just I at the state of qin.He was saddened plotting conquering xiong, make the state of qin became dominant in the west.His descendants with its name for the surname, name is by, some name of yu, have the same one.

2, from the red race for KuiXing after.According to "national language", "Lord, spring, more than five, the surname, red DE KuiXing."

3, iron wood compound surname that change for the yuan MAO (temujin) the offspring of genghis khan, he berated by iron prime minister's home.From iron jose prime minister is a loyal minister, MAO listen to gossip, to make an end of the iron jose prime minister five sons in all.Five out of the city at night, fled to guizhou, see MAO led to chasing behind, just hide in feng jin under a bridge.Troops came, some people see water under the bridge unrest, put forward the suspicious, not canvass MAO, freely said: "the river water, the water there are fish, why make a fuss, to go ahead after quickly."Iron he berated after five brothers escape, wanted to change iron he berated for Kim, ysm instead of final decision."More than" less than a gold cross, it is "a fish in water" fish word, pun is a word.