Bartosz is a moderately popular boys' name in England & Wales, ranking #422 in 2008 with 88 recorded births. This places Bartosz in the top 7% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2009 with 104 births ranking #376. In 2008, approximately 1 in every 3,857 boys born was named Bartosz. FALLING Recent data shows the name is currently falling.