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The short answer
Isaias is a masculine name used in Biblical Latin. Behind the Name describes it this way: "Latin variant form of Isaiah, used in some versions of the Vulgate." It ranked #426 for boys in the United States in 2025.
Meaning and etymology
According to Behind the Name, latin variant form of Isaiah, used in some versions of the Vulgate. The entry lists its usage as Biblical Latin.
Editorial confidence: likely
Popularity
Isaias ranked #426 for boys in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #426 | ssa-2025 |
Frequently asked questions
What does the name Isaias mean?
Behind the Name does not give Isaias a one-word meaning. It describes the name as follows: latin variant form of Isaiah, used in some versions of the Vulgate.
Is Isaias a popular name?
Isaias ranked #426 for boys in the United States in 2025. (Social Security Administration data).
Is Isaias a boy's or a girl's name?
In the 2025 SSA data Isaias appears in the boys' list; Behind the Name labels it masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Isaias — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
