Over the past 110 years, 25 931 girls have been named Lea. The name Lea ranks 776th in the United States among the most common names for girls. For the first time more than ten times newborns were named Lea in 1911. The peak of popularity of the name Lea came in the 1970s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.