Zi is a distinctive girls' name in England & Wales, ranking #1798 in 2014 with 16 recorded births. This places Zi in the top 24% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 34 births ranking #937. In 2014, approximately 1 in every 19,166 girls born was named Zi. FALLING Recent data shows the name is currently falling.