Osualdo is a distinctive boys' name in United States, ranking #10382 in 1997 with 5 recorded births. The name reached its all-time peak in 2001 with 11 births ranking #6328. Since 1996, the popularity has decreased by 37.5%. In 1997, approximately 1 in every 377,018 boys born was named Osualdo. FALLING Recent data shows the name is currently falling.