Sesilia is a distinctive girls' name in United States, ranking #14105 in 1999 with 6 recorded births. This places Sesilia in the bottom 17% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 8 births ranking #11868. In 1999, approximately 1 in every 295,630 girls born was named Sesilia. FALLING Recent data shows the name is currently falling.