The "Ning" surname (Chinese:宁;pinyin:nìng) is a surname of Chinese descendant.It's literal meaning means "peace".The surname is believed to have come from Northern China and is not known to be of Han origin,instead it is believed to be of Manchu or Tungusic origin.This surname is also known to be extremely rare as it was not on the top 100 of most common surnames in 2006 and is most common in Luxembourg with 8.5 Frequency Per Million therefore there are only 4 people with "nìng" surname in Luxembourg as there is only a population of 480,000 in Luxembourg.

References

1 -http://www.publicprofiler.org/worldnames/Default.aspx