Sissy is a distinctive girls' name in United States, ranking #19658 in 2006 with 5 recorded births. The name reached its all-time peak in 2002 with 15 births ranking #7388. Since 1996, the popularity has decreased by 28.6%. In 2006, approximately 1 in every 380,214 girls born was named Sissy. FALLING Recent data shows the name is currently falling.