Over the past 110 years, 90 241 girls and 19 boys have been named Cecilia. The name Cecilia ranks 366th in the United States among the most common names for girls. For the first time more than ten times newborns were named Cecilia in 1910. The peak of popularity of the name Cecilia came in the 1910s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.