Over the past 110 years, 6 boys and 11 888 girls have been named Lexie. The name Lexie ranks 11592th in the United States among the most common names for boys. For the first time more than ten times newborns were named Lexie in 1910. The peak of popularity of the name Lexie came in the 1910s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.