Jania is a distinctive girls' name in United States, ranking #1792 in 1999 with 89 recorded births. The name reached its all-time peak in 2005 with 194 births ranking #1186. Since 1996, the popularity has increased by 64.8%. In 1999, approximately 1 in every 19,930 girls born was named Jania. FALLING Recent data shows the name is currently falling.