Daysi is a distinctive girls' name in United States, ranking #3064 in 2008 with 56 recorded births. The name reached its all-time peak in 1996 with 63 births ranking #2160. Since 1996, the popularity has decreased by 11.1%. In 2008, approximately 1 in every 33,763 girls born was named Daysi. RISING Recent data shows the name is currently rising.