Inga is a distinctive girls' name in United States, ranking #5748 in 1999 with 18 recorded births. This places Inga in the top 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 30 births ranking #4610. In 1999, approximately 1 in every 98,543 girls born was named Inga. STABLE Recent data shows the name is currently stable.