Over the past 110 years, 25 351 girls and 5 boys have been named Delia. The name Delia ranks 791th in the United States among the most common names for girls. For the first time more than ten times newborns were named Delia in 1910. The peak of popularity of the name Delia came in the 1910s and 1950s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.