Over the past 110 years, 146 375 girls and 12 boys have been named Lily. The name Lily ranks 241th in the United States among the most common names for girls. For the first time more than ten times newborns were named Lily in 1910. The peak of popularity of the name Lily 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.