boy name
Isaias
Gender
Boy
Popularity
#426 · U.S. boys (2025)
Popularity of Isaias in the US, 1880–2025
Isaias first appears in US records in 1915. It peaked in 2025, when 755 boys were given the name; in 2025 there were 755.
Source: US Social Security Administration.
Frequently asked questions
Is Isaias a boy or a girl name?
Isaias is most commonly used as a boy name.
How popular is the name Isaias?
In 2025, Isaias ranked #426 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Isaias most popular?
Isaias was most popular in 2025, when about 755 US babies were given the name that year, according to US Social Security Administration records.