Mariann is a distinctive girls' name in United States, ranking #10750 in 2024 with 9 recorded births. The name reached its all-time peak in 2000 with 47 births ranking #3002. Since 1996, the popularity has decreased by 43.8%. In 2024, approximately 1 in every 179,243 girls born was named Mariann. FALLING Recent data shows the name is currently falling.