Daysi is a distinctive girls' name in United States, ranking #4004 in 2012 with 38 recorded births. The name reached its all-time peak in 1996 with 63 births ranking #2160. Since 1996, the popularity has decreased by 39.7%. In 2012, approximately 1 in every 46,335 girls born was named Daysi. RISING Recent data shows the name is currently rising.