Daysi is a distinctive girls' name in United States, ranking #3327 in 2006 with 49 recorded births. The name reached its all-time peak in 1996 with 63 births ranking #2160. Since 1996, the popularity has decreased by 22.2%. In 2006, approximately 1 in every 38,797 girls born was named Daysi. RISING Recent data shows the name is currently rising.