My surname is so rare that by United States government policy it does not show up on federal lists of surnames by frequency.<p><a href="http://www.census.gov/genealogy/names/dist.all.last" rel="nofollow">http://www.census.gov/genealogy/names/dist.all.last</a><p>I am on Google+.<p>A New York Times article<p><a href="http://www.nytimes.com/2007/11/17/us/17surnames.html" rel="nofollow">http://www.nytimes.com/2007/11/17/us/17surnames.html</a><p>establishes some context on the frequency of various surnames in the United States. English surnames are predominant, but Spanish surnames are gaining relative frequency.<p>P.S. Responding to another comment here, surely as more companies get into social networking, and social networking becomes a growing share of all Internet activity, third-party organizations will have to agree on standardized methodologies for estimating users of each service, to guide advertisers and investors, and to answer the questions of journalists. For the moment, I notice that Google+ has already achieved a status previously achieved for me by HN and by Facebook--I tend to keep a tab open to it at all times while I am browsing the Web.