Over the past 110 years, 47 279 boys and 6 girls have been named Kelvin. The name Kelvin ranks 457th in the United States among the most common names for boys. For the first time more than ten times newborns were named Kelvin in 1924. The peak of popularity of the name Kelvin came in the 1960s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.