Over the past 110 years, 11 593 girls have been named Deidre. The name Deidre ranks 1200th in the United States among the most common names for girls. For the first time more than ten times newborns were named Deidre in 1944. The peak of popularity of the name Deidre came in the 1960s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.