Sigifredo is a distinctive boys' name in United States, ranking #3824 in 1998 with 19 recorded births. This places Sigifredo in the top 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 19 births ranking #3824. Since 1996, the popularity has increased by 90.0%. In 1998, approximately 1 in every 100,596 boys born was named Sigifredo. RISING Recent data shows the name is currently rising.