Isaiah is a moderately popular boys' name in England & Wales, ranking #177 in 2018 with 299 recorded births. The name reached its all-time peak in 2025 with 338 births ranking #156. Since 1996, the popularity has increased by 1,259.1%. In 2018, approximately 1 in every 1,045 boys born was named Isaiah. STABLE Recent data shows the name is currently stable.
Isaiah is a major Hebrew biblical name meaning "Yahweh is salvation". It has a noble, prophetic feel and remains one of the strongest long-form biblical names in modern use.
The name is inseparable from the prophet Isaiah and has remained central in Jewish and Christian tradition for centuries. Its current popularity comes from its scriptural depth and graceful rhythm.