Zi is a distinctive boys' name in England & Wales, ranking #1242 in 2008 with 19 recorded births. This places Zi in the top 21% 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 2008, approximately 1 in every 17,862 boys born was named Zi. FALLING Recent data shows the name is currently falling.