Bartosz is a distinctive boys' name in United States, ranking #5159 in 2002 with 14 recorded births. The name reached its all-time peak in 2009 with 24 births ranking #4174. Since 1996, the popularity has increased by 55.6%. In 2002, approximately 1 in every 138,677 boys born was named Bartosz. FALLING Recent data shows the name is currently falling.