Owain is a moderately popular boys' name in England & Wales, ranking #467 in 2011 with 80 recorded births. The name reached its all-time peak in 2000 with 139 births ranking #220. Since 1996, the popularity has decreased by 12.1%. In 2011, approximately 1 in every 4,323 boys born was named Owain. FALLING Recent data shows the name is currently falling.