The first name Isaias
A boy’s name.
2 syllables Male
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 6 boys were named Isaias, making it the 3,256th most popular boys’ name. It peaked in 2024, with 8 births (#2,671).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Isaias with other names.
Popularity in the United States
Babies named Isaias at birth, 1880–2025
In 2025, 755 boys born in the United States were named Isaias, the 426th most popular boys’ name that year.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Isaias
3 on Wikidata, most written-about first
- Isaias PleciArgentine chess player (1907-1980)
- Isaías Duarte CancinoColombian archbishop (1939-2002)
- Isaías Marques SoaresBrazilian footballer, born 1963
Questions
- How popular is the name Isaias?
- In 2025, 6 boys born in England and Wales were named Isaias, ranking 3,256th. Its peak was 2024, with 8 births.
- Is Isaias a boy's or a girl's name?
- Mostly a boy's name: 100% of the 18,644 US babies named Isaias since 1880 were boys.
- When was Isaias most popular?
- 2025 in the United States, when 755 babies were named Isaias, its highest rank at 426th.