Sigifredo is a distinctive boys' name in United States, ranking #4439 in 2001 with 18 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #3824. Since 1996, the popularity has increased by 80.0%. In 2001, approximately 1 in every 107,935 boys born was named Sigifredo. RISING Recent data shows the name is currently rising.