Deirdre is a distinctive girls' name in United States, ranking #1723 in 1999 with 94 recorded births. The name reached its all-time peak in 1996 with 109 births ranking #1493. Since 1996, the popularity has decreased by 13.8%. In 1999, approximately 1 in every 18,870 girls born was named Deirdre. FALLING Recent data shows the name is currently falling.