Sigifredo is a distinctive boys' name in United States, ranking #8509 in 2003 with 8 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #3824. Since 1996, the popularity has decreased by 20.0%. In 2003, approximately 1 in every 246,909 boys born was named Sigifredo. RISING Recent data shows the name is currently rising.