In addition to counting basic demographic characteristics of 309 million Americans, the 2010 decennial census also included information on the last names about 295 million individuals – more than 95% of all Americans. Summaries of these data were made publicly available today. Some highlights: Americans reported 6.3 million individual surnames in 2010. Most of these—3.9 million or 62%--were reported only once. Why? Lots of unique surnames or unique variations of more common names. There were…

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