In 2018, 51 is the most common age for an American (U.S.) Nelson who is registered male with the Social Security Administration. It is the 755th most common male first name for living U.S. citizens.
― Anonymous User 10/11/2018
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According to howmanyofme.com, there are 149 people in the U.S. named Nelson Nelson! There are a surprising number of people with the same first and last names.
This name is also used in Portugal and Brazil, in which it can also be written as Nélson.In Portugal, Nelson is on the low end of the top 100 at the moment. In 2011 & 2012, it was in 78th and 79th place (52 & 51 boys) respectively before dropping to 94th place (33 boys) in 2013. It did bounce back up just a little bit in 2014 when it was in 87th place (38 boys).As Nélson, it was only given to 3 boys in Portugal in 2014.
https://www.geocities.ws/seraphim_angel_2002/boss.html