Isaias vs Isai

Side-by-side comparison of Isaias and Isai — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Isaias

Boy name · Rank #446

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Name B

Isai

Boy name · Rank #1066

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Which name is more popular?

Metric Isaias Isai
Current Rank #446 #1066
Total Births (all years) 17,887 7,151
Peak Year 2023 2007
Peak Year Births 705 333
Peak Decade 2010ss 2000ss
Gender Boy Boy
First Recorded Year 1915 1966

Births by Decade

Decade Isaias Isai
1910ss 18 —
1920ss 98 —
1930ss 144 —
1940ss 150 —
1950ss 222 —
1960ss 242 6
1970ss 502 48
1980ss 985 352
1990ss 2,335 1,207
2000ss 4,664 2,622
2010ss 5,212 2,025
2020ss 3,315 891

Recent Annual Births (2014–present)

Year Isaias Isai
2014 500 168
2015 520 197
2016 541 185
2017 508 195
2018 550 193
2019 580 207
2020 632 161
2021 600 168
2022 675 160
2023 705 198
2024 703 204

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1915–2024.

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