Wenceslao is a distinctive boys' name in United States, ranking #7524 in 1998 with 8 recorded births. The name reached its all-time peak in 2005 with 13 births ranking #6202. Since 1996, the popularity has increased by 33.3%. In 1998, approximately 1 in every 238,915 boys born was named Wenceslao. FALLING Recent data shows the name is currently falling.