Celso is a distinctive boys' name in United States, ranking #5431 in 2025 with 17 recorded births. The name reached its all-time peak in 2006 with 48 births ranking #2518. Since 1996, the popularity has decreased by 41.4%. In 2025, approximately 1 in every 100,475 boys born was named Celso. FALLING Recent data shows the name is currently falling.