Simi is a distinctive girls' name in England & Wales, ranking #4201 in 2025 with 5 recorded births. The name reached its all-time peak in 2001 with 9 births ranking #1870. Since 1996, the popularity has increased by 25.0%. In 2025, approximately 1 in every 50,656 girls born was named Simi. FALLING Recent data shows the name is currently falling.