Ioan is a moderately popular boys' name in England & Wales, ranking #296 in 2007 with 129 recorded births. This places Ioan in the top 5% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2007 with 129 births ranking #296. Since 1996, the popularity has increased by 706.3%. In 2007, approximately 1 in every 2,569 boys born was named Ioan. FALLING Recent data shows the name is currently falling.