Cecillia is a distinctive girls' name in United States, ranking #12110 in 1996 with 6 recorded births. This places Cecillia in the bottom 24% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 20 births ranking #6609. In 1996, approximately 1 in every 292,160 girls born was named Cecillia. RISING Recent data shows the name is currently rising.