Isac vs Isaiah

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

Name A

Isac

Boy name · Rank #4064

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Name B

Isaiah

Boy name · Rank #56

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Which name is more popular?

Metric Isac Isaiah
Current Rank #4064 #56
Total Births (all years) 3,180 248,633
Peak Year 2006 2006
Peak Year Births 148 10,459
Peak Decade 2000ss 2000ss
Gender Boy Boy
First Recorded Year 1884 1880

Births by Decade

Decade Isac Isaiah
1880ss 5 304
1890ss 11 264
1900ss 33 263
1910ss 132 845
1920ss 145 1,262
1930ss 81 1,039
1940ss 22 1,193
1950ss 12 1,180
1960ss 21 727
1970ss 61 1,578
1980ss 192 6,708
1990ss 543 36,585
2000ss 1,210 92,782
2010ss 577 76,278
2020ss 135 27,625

Recent Annual Births (2014–present)

Year Isac Isaiah
2014 62 7,652
2015 42 7,655
2016 39 7,568
2017 39 7,255
2018 26 6,709
2019 27 6,211
2020 28 6,090
2021 33 5,718
2022 30 5,420
2023 18 5,147
2024 26 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, 1884–2024.

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