Isaac vs Isaiah

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

Name A

Isaac

Boy name · Rank #40

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Name B

Isaiah

Boy name · Rank #56

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Which name is more popular?

Metric Isaac Isaiah
Current Rank #40 #56
Total Births (all years) 325,457 248,633
Peak Year 2007 2006
Peak Year Births 10,274 10,459
Peak Decade 2010ss 2000ss
Gender Boy Boy
First Recorded Year 1880 1880

Births by Decade

Decade Isaac Isaiah
1880ss 2,311 304
1890ss 1,735 264
1900ss 1,638 263
1910ss 4,952 845
1920ss 6,552 1,262
1930ss 4,713 1,039
1940ss 5,065 1,193
1950ss 5,479 1,180
1960ss 4,606 727
1970ss 10,481 1,578
1980ss 18,375 6,708
1990ss 40,268 36,585
2000ss 90,755 92,782
2010ss 94,547 76,278
2020ss 33,980 27,625

Recent Annual Births (2014–present)

Year Isaac Isaiah
2014 9,994 7,652
2015 9,986 7,655
2016 9,774 7,568
2017 8,891 7,255
2018 8,502 6,709
2019 8,228 6,211
2020 7,149 6,090
2021 6,982 5,718
2022 6,745 5,420
2023 6,606 5,147
2024 6,498 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, 1880–2024.

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