Dayleen is a distinctive girls' name in United States, ranking #12215 in 2025 with 7 recorded births. This places Dayleen in the bottom 29% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 95 births ranking #2016. In 2025, approximately 1 in every 229,610 girls born was named Dayleen. FALLING Recent data shows the name is currently falling.