Cecillia is a distinctive girls' name in United States, ranking #8085 in 2003 with 13 recorded births. The name reached its all-time peak in 2007 with 20 births ranking #6609. Since 1996, the popularity has increased by 116.7%. In 2003, approximately 1 in every 140,542 girls born was named Cecillia. RISING Recent data shows the name is currently rising.