Isis is a distinctive girls' name in United States, ranking #588 in 2003 with 467 recorded births. The name reached its all-time peak in 2005 with 561 births ranking #522. Since 1996, the popularity has increased by 114.2%. In 2003, approximately 1 in every 3,912 girls born was named Isis. FALLING Recent data shows the name is currently falling.