Isaiah
/EH-IY-EH-Z-EY-AA/
Yahweh is salvation — Isaiah is the great Hebrew prophet whose book in the Old Testament foretells redemption and the coming Messiah. The name carries 2700 years of religious gravitas while remaining warm and contemporary in modern American use.
Get Isaiah's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Isaiah:
How well does Isaiah fit your family?
This page tells you what Isaiah means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
Unlock Isaiah's score — free
Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Yes — Isaiah is a Christian boy name of Hebrew origin, meaning “Yahweh is salvation — Isaiah is the great Hebrew prophet whose book in the Old Testament foretells redemption and the coming Messiah. The name carries 2700 years of religious gravitas while remaining warm and contemporary in modern American use.”. It also appears in Jewish tradition.
Isaiah is a boy's name of Hebrew origin, traditionally used in Christian families. The name means "Yahweh is salvation — Isaiah is the great Hebrew prophet whose book in the Old Testament foretells redemption and the coming Messiah. The name carries 2700 years of religious gravitas while remaining warm and contemporary in modern American use." and belongs to the Divine cluster — names rooted in sacred meaning and spiritual tradition.
Beyond its Christian heritage, Isaiah is also used in Jewish traditions, reflecting how this name has traveled across cultures.
Common among American, British, European families, Isaiah carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
The patron saint & feast day behind Isaiah
Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Isaiah lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Isaiah's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Isaiah's saint & feast day →What does Isaiah's numerology say?
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Isaiah resonates in either tradition.
Isaiah's destiny number is 11 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Isaiah's full reading →
Does Isaiah go with your family's names?
Isaiah breaks into 6 sounds: /EH-IY-EH-Z-EY-AA/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Isaiah sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Isaiah beside your family's names →
Nicknames
Common affectionate forms of Isaiah — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Variants across cultures
Isaiah appears in different forms across languages and traditions. Each variant carries the same root meaning with a distinct sound and spelling shaped by local phonology.
Names similar to Isaiah
If Isaiah resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in American families
Sharing the same meaning
Other Christian boy names from the Divine cluster
Names that sound similar
Christian boy names that open with the same syllables as Isaiah
Explore more names
Keep exploring names like Isaiah — by tradition, by meaning, or by first letter.
Common questions about Isaiah
What does the name Isaiah mean?
Isaiah means "Yahweh is salvation — Isaiah is the great Hebrew prophet whose book in the Old Testament foretells redemption and the coming Messiah. The name carries 2700 years of religious gravitas while remaining warm and contemporary in modern American use.." It is a boy name of Hebrew origin, traditionally used in Christian families.
Is Isaiah a boy or girl name?
Isaiah is most commonly used as a boy name.
What is the origin of the name Isaiah?
Isaiah is of Hebrew origin, used in Christian, Jewish traditions, commonly among American, British, European families.
Is Isaiah a Christian name?
Yes. Isaiah is a boy name traditionally used in Christian families, of Hebrew origin. It also appears in Jewish tradition.
What does Isaiah mean in Hebrew?
Isaiah originates from Hebrew, where it means "Yahweh is salvation — Isaiah is the great Hebrew prophet whose book in the Old Testament foretells redemption and the coming Messiah. The name carries 2700 years of religious gravitas while remaining warm and contemporary in modern American use.."
What are common nicknames for Isaiah?
Common short forms of Isaiah include Izzy, Zay, Sai.
What is the numerology of Isaiah?
Isaiah has a Pythagorean destiny number of 11 — intuition and inspired leadership (master number).
See how Isaiah scores for your family
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