Eoin is a moderately popular boys' name in England & Wales, ranking #447 in 1997 with 44 recorded births. The name reached its all-time peak in 2010 with 69 births ranking #513. Since 1996, the popularity has increased by 37.5%. In 1997, approximately 1 in every 7,146 boys born was named Eoin. FALLING Recent data shows the name is currently falling.