Sixto is a distinctive boys' name in United States, ranking #3356 in 1999 with 24 recorded births. The name reached its all-time peak in 2001 with 30 births ranking #3051. Since 1996, the popularity has increased by 14.3%. In 1999, approximately 1 in every 80,004 boys born was named Sixto. RISING Recent data shows the name is currently rising.