Isaias

The Spanish form of Isaiah, from Hebrew Yeshayahu, meaning Yahweh is salvation. The prophet of that name worked in Jerusalem in the eighth century BC.

Isaias in 2025

Isaias was given to 755 babies in the United States in 2025, making it the 853rd most popular name of the year. That is roughly one in every 4,391 babies born.

The history of Isaias

Isaias reached its highest point in 2025, when 755 babies were given the name, ranking 853rd that year.

Across the 111 years of records since 1915, 18,644 babies have been named Isaias. Half of them were born before 2009, which places the name's centre of gravity with Generation Z.

Isaias by decade

DecadeBabies named IsaiasBest rank
1910s186,870
1920s983,015
1930s1443,000
1940s1503,123
1950s2223,067
1960s2423,465
1970s5022,458
1980s9851,936
1990s2,3351,244
2000s4,6641,013
2010s5,2121,023
2020s4,072853

Where Isaias is heading

Isaias has risen 45% over the past decade, from 520 babies in 2015 to 755 in 2025.

Names like Isaias

Names that rose and fell at the same time as Isaias.

Browse the most popular baby names