Dayja is a distinctive girls' name in United States, ranking #9891 in 2012 with 11 recorded births. The name reached its all-time peak in 1996 with 50 births ranking #2519. Since 1996, the popularity has decreased by 78.0%. In 2012, approximately 1 in every 160,067 girls born was named Dayja. FALLING Recent data shows the name is currently falling.