Over the past 110 years, 17 118 boys have been named Reynaldo. The name Reynaldo ranks 759th in the United States among the most common names for boys. For the first time more than ten times newborns were named Reynaldo in 1911. The peak of popularity of the name Reynaldo came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.