Semisi is a distinctive boys' name in United States, ranking #7592 in 2025 with 11 recorded births. The name reached its all-time peak in 2009 with 13 births ranking #6749. Since 1996, the popularity has increased by 120.0%. In 2025, approximately 1 in every 155,280 boys born was named Semisi. RISING Recent data shows the name is currently rising.