Zi is a distinctive boys' name in England & Wales, ranking #1191 in 2012 with 22 recorded births. This places Zi in the top 19% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 35 births ranking #832. In 2012, approximately 1 in every 15,837 boys born was named Zi. FALLING Recent data shows the name is currently falling.