Over the past 110 years, 152 441 girls and 28 boys have been named Lydia. The name Lydia ranks 235th in the United States among the most common names for girls. For the first time more than ten times newborns were named Lydia in 1910. The peak of popularity of the name Lydia 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.