Lilla is a distinctive girls' name in United States, ranking #12132 in 1999 with 7 recorded births. This places Lilla in the bottom 28% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 51 births ranking #3247. In 1999, approximately 1 in every 253,397 girls born was named Lilla. STABLE Recent data shows the name is currently stable.