Owain is a moderately popular boys' name in England & Wales, ranking #232 in 1999 with 132 recorded births. The name reached its all-time peak in 2000 with 139 births ranking #220. Since 1996, the popularity has increased by 45.1%. In 1999, approximately 1 in every 2,297 boys born was named Owain. FALLING Recent data shows the name is currently falling.