Daysi is a distinctive girls' name in United States, ranking #2817 in 2001 with 52 recorded births. The name reached its all-time peak in 1996 with 63 births ranking #2160. Since 1996, the popularity has decreased by 17.5%. In 2001, approximately 1 in every 34,626 girls born was named Daysi. RISING Recent data shows the name is currently rising.