Wenceslao is a distinctive boys' name in United States, ranking #7018 in 2002 with 10 recorded births. The name reached its all-time peak in 2005 with 13 births ranking #6202. Since 1996, the popularity has increased by 66.7%. In 2002, approximately 1 in every 194,147 boys born was named Wenceslao. FALLING Recent data shows the name is currently falling.