Nathalia is a distinctive girls' name in United States, ranking #791 in 2006 with 346 recorded births. The name reached its all-time peak in 2006 with 346 births ranking #791. Since 1996, the popularity has increased by 380.6%. In 2006, approximately 1 in every 5,494 girls born was named Nathalia. FALLING Recent data shows the name is currently falling.