Kirsi is a distinctive girls' name in United States, ranking #16856 in 2019 with 5 recorded births. The name reached its all-time peak in 2002 with 12 births ranking #8566. Since 1996, the popularity has decreased by 37.5%. In 2019, approximately 1 in every 335,514 girls born was named Kirsi. FALLING Recent data shows the name is currently falling.