Isatu is a distinctive girls' name in United States, ranking #13906 in 2011 with 7 recorded births. The name reached its all-time peak in 2002 with 14 births ranking #7573. Since 1996, the popularity has increased by 40.0%. In 2011, approximately 1 in every 251,258 girls born was named Isatu. FALLING Recent data shows the name is currently falling.