Cecillia is a distinctive girls' name in United States, ranking #12046 in 2005 with 8 recorded births. The name reached its all-time peak in 2007 with 20 births ranking #6609. Since 1996, the popularity has increased by 33.3%. In 2005, approximately 1 in every 230,962 girls born was named Cecillia. RISING Recent data shows the name is currently rising.