Over the past 110 years, 1 202 boys and 30 155 girls have been named Lesley. The name Lesley ranks 2367th in the United States among the most common names for boys. For the first time more than ten times newborns were named Lesley in 1912. The peak of popularity of the name Lesley came in the 1920s and 1950s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.