Marnita is a distinctive girls' name in United States, ranking #11669 in 2001 with 8 recorded births. The name reached its all-time peak in 2007 with 12 births ranking #9951. Since 1996, the popularity has decreased by 11.1%. In 2001, approximately 1 in every 225,070 girls born was named Marnita. RISING Recent data shows the name is currently rising.