See these links

來源: 於 2011-11-03 21:21:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

http://howmanyofme.com/people/John_Smith/

  • There are 2,751,973 people in the U.S. with the last name Smith.
  • Statistically the 1st most popular last name.
  • There are 5,128,400 people in the U.S. with the first name John.
  • Statistically the 2nd most popular first name.

or

http://names.mongabay.com/most_common_surnames.htm