Bartosz is a distinctive boys' name in United States, ranking #9199 in 2000 with 6 recorded births. The name reached its all-time peak in 2009 with 24 births ranking #4174. Since 1996, the popularity has decreased by 33.3%. In 2000, approximately 1 in every 327,322 boys born was named Bartosz. FALLING Recent data shows the name is currently falling.