Semisi is a distinctive boys' name in United States, ranking #6221 in 1998 with 10 recorded births. The name reached its all-time peak in 2009 with 13 births ranking #6749. Since 1996, the popularity has increased by 100.0%. In 1998, approximately 1 in every 191,132 boys born was named Semisi. RISING Recent data shows the name is currently rising.