Meaning: Its source is Yeshayahu, a Hebrew name meaning "God is my helper."

Languages: This boy's name is used in Hebrew and English.

Nicknames: Shai

Variant Forms: Isa, Isaias, Isiah and Issiah

Non-English Forms: Esaias, Isaïe, Izajasz and Eesaia

Source Forms: Yeshayahu

Popularity: The name Isaiah ranked 45th in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 635th in popularity for males of all ages in a sample of the 1990 US Census.

This name was popular earlier in the 20th century, then fell off in usage, but has begun making a comeback in recent years.