Isaias vs Isaiah

Side-by-side comparison of Isaias and Isaiah — 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

Isaiah

Boy name · Rank #56

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Which name is more popular?

Metric Isaias Isaiah
Current Rank #446 #56
Total Births (all years) 17,887 248,633
Peak Year 2023 2006
Peak Year Births 705 10,459
Peak Decade 2010ss 2000ss
Gender Boy Boy
First Recorded Year 1915 1880

Births by Decade

Decade Isaias Isaiah
1880ss — 304
1890ss — 264
1900ss — 263
1910ss 18 845
1920ss 98 1,262
1930ss 144 1,039
1940ss 150 1,193
1950ss 222 1,180
1960ss 242 727
1970ss 502 1,578
1980ss 985 6,708
1990ss 2,335 36,585
2000ss 4,664 92,782
2010ss 5,212 76,278
2020ss 3,315 27,625

Recent Annual Births (2014–present)

Year Isaias Isaiah
2014 500 7,652
2015 520 7,655
2016 541 7,568
2017 508 7,255
2018 550 6,709
2019 580 6,211
2020 632 6,090
2021 600 5,718
2022 675 5,420
2023 705 5,147
2024 703 5,250

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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