Mateusz is a distinctive boys' name in England & Wales, ranking #2269 in 2025 with 10 recorded births. This places Mateusz in the top 37% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 205 births ranking #221. Since 1996, the popularity has increased by 233.3%. In 2025, approximately 1 in every 27,194 boys born was named Mateusz. FALLING Recent data shows the name is currently falling.