Mariko is a distinctive girls' name in United States, ranking #16649 in 2020 with 5 recorded births. The name reached its all-time peak in 1996 with 27 births ranking #4013. Since 1996, the popularity has decreased by 81.5%. In 2020, approximately 1 in every 323,102 girls born was named Mariko. RISING Recent data shows the name is currently rising.