Over the past 110 years, 113 782 girls and 48 boys have been named Lillie. The name Lillie ranks 304th in the United States among the most common names for girls. For the first time more than ten times newborns were named Lillie in 1910. The peak of popularity of the name Lillie came in the 1910s and 1920s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.