Kian is a popular boys' name in England & Wales, ranking #54 in 2014 with 1,123 recorded births. The name reached its all-time peak in 2007 with 1,126 births ranking #67. Since 1996, the popularity has increased by 3,522.6%. In 2014, approximately 1 in every 296 boys born was named Kian. STABLE Recent data shows the name is currently stable.
Kian has more than one genuine route. Behind the Name gives it both a Persian entry meaning "king, foundation, symbol of pride" and a modern English entry as a variant of Cian.
Because both routes are current and well attested, Kian is better described as a multi-origin name than forced into one single explanation. In English-speaking use, the modern Cian-linked spelling and the Persian name both seem relevant.