Daysi is a distinctive girls' name in United States, ranking #3367 in 1998 with 36 recorded births. The name reached its all-time peak in 1996 with 63 births ranking #2160. Since 1996, the popularity has decreased by 42.9%. In 1998, approximately 1 in every 49,080 girls born was named Daysi. RISING Recent data shows the name is currently rising.