Deirdre is a distinctive girls' name in United States, ranking #6761 in 2021 with 17 recorded births. The name reached its all-time peak in 1996 with 109 births ranking #1493. Since 1996, the popularity has decreased by 84.4%. In 2021, approximately 1 in every 96,454 girls born was named Deirdre. FALLING Recent data shows the name is currently falling.