Isaias is a boy name with a modern feel, drawn from real birth records. Below you'll find what Isaias means and where it comes from, plus how many babies have been named Isaias across the United States, UK, Ireland and New Zealand, how popular Isaias has been over the decades, and the year it peaked.
Isaias is a boy name of Hebrew origin meaning “the Lord is salvation”. The Spanish and Greek form of Isaiah.
| Country | Births on record |
|---|---|
| United States since 1880 | 18,644 births |
| England & Wales since 1996 | 37 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Isaias per year, United States (1915 to 2025). United States peaked in 2025 (755/yr) · England & Wales peaked in 2024 (8/yr).
Isaias has been a fairly common baby name in the United States. It was most common in 2025, when it ranked #854 nationally (given to 761 babies that year).
Isis · Ozias · Isyss · Oseias · Esaias · Osias · Iysis · Izaias
Not sure if it's the one? The best way to know is to see if your partner loves it too. Swipe baby names with your partner and match on the ones you both ❤️, free, no account needed to start.
Find your name together →