Semisi is a distinctive boys' name in United States, ranking #9715 in 2008 with 8 recorded births. This places Semisi in the bottom 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 13 births ranking #6749. Since 1996, the popularity has increased by 60.0%. In 2008, approximately 1 in every 254,993 boys born was named Semisi. RISING Recent data shows the name is currently rising.