Ioan is a moderately popular boys' name in England & Wales, ranking #377 in 2006 with 91 recorded births. The name reached its all-time peak in 2007 with 129 births ranking #296. Since 1996, the popularity has increased by 468.8%. In 2006, approximately 1 in every 3,520 boys born was named Ioan. FALLING Recent data shows the name is currently falling.