Sigourney is a distinctive girls' name in United States, ranking #7475 in 1998 with 13 recorded births. The name reached its all-time peak in 1998 with 13 births ranking #7475. Since 1996, the popularity has increased by 30.0%. In 1998, approximately 1 in every 135,915 girls born was named Sigourney. FALLING Recent data shows the name is currently falling.