Dayja is a distinctive girls' name in United States, ranking #4667 in 2002 with 26 recorded births. The name reached its all-time peak in 1996 with 50 births ranking #2519. Since 1996, the popularity has decreased by 48.0%. In 2002, approximately 1 in every 69,108 girls born was named Dayja. FALLING Recent data shows the name is currently falling.