 According to statistics cited by Patrick Hanks, there were 488 people on the island of Great Britain and 18 on the island of Ireland with the surname Lui as of 2011.There were no people with the surname on the island of Great Britain in 1881.The 2010 United States Census found 6,156 people with the surname Lui, making it the 5,641st-most-common name in the country.