Deirdre is a distinctive girls' name in United States, ranking #7989 in 2025 with 13 recorded births. The name reached its all-time peak in 1996 with 109 births ranking #1493. Since 1996, the popularity has decreased by 88.1%. In 2025, approximately 1 in every 123,636 girls born was named Deirdre. FALLING Recent data shows the name is currently falling.