Deirdre is a distinctive girls' name in United States, ranking #3665 in 2007 with 44 recorded births. The name reached its all-time peak in 1996 with 109 births ranking #1493. Since 1996, the popularity has decreased by 59.6%. In 2007, approximately 1 in every 43,692 girls born was named Deirdre. FALLING Recent data shows the name is currently falling.