Over the past 110 years, 24 337 girls and 32 279 boys have been named Harley. The name Harley ranks 810th in the United States among the most common names for girls. For the first time more than ten times newborns were named Harley in 1989. The peak of popularity of the name Harley came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.