Ioan is a moderately popular boys' name in England & Wales, ranking #460 in 2017 with 90 recorded births. This places Ioan in the top 7% 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 462.5%. In 2017, approximately 1 in every 3,587 boys born was named Ioan. FALLING Recent data shows the name is currently falling.