Ioan is a moderately popular boys' name in England & Wales, ranking #366 in 2009 with 106 recorded births. The name reached its all-time peak in 2007 with 129 births ranking #296. Since 1996, the popularity has increased by 562.5%. In 2009, approximately 1 in every 3,190 boys born was named Ioan. FALLING Recent data shows the name is currently falling.