Eoin is a moderately popular boys' name in England & Wales, ranking #398 in 1998 with 55 recorded births. The name reached its all-time peak in 2010 with 69 births ranking #513. Since 1996, the popularity has increased by 71.9%. In 1998, approximately 1 in every 5,645 boys born was named Eoin. FALLING Recent data shows the name is currently falling.