Zosia is a distinctive girls' name in England & Wales, ranking #2788 in 2025 with 9 recorded births. This places Zosia in the top 37% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 30 births ranking #1144. In 2025, approximately 1 in every 28,142 girls born was named Zosia. FALLING Recent data shows the name is currently falling.