Isai vs Isaac

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

Name A

Isai

Boy name · Rank #1066

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Name B

Isaac

Boy name · Rank #40

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Which name is more popular?

Metric Isai Isaac
Current Rank #1066 #40
Total Births (all years) 7,151 325,457
Peak Year 2007 2007
Peak Year Births 333 10,274
Peak Decade 2000ss 2010ss
Gender Boy Boy
First Recorded Year 1966 1880

Births by Decade

Decade Isai Isaac
1880ss — 2,311
1890ss — 1,735
1900ss — 1,638
1910ss — 4,952
1920ss — 6,552
1930ss — 4,713
1940ss — 5,065
1950ss — 5,479
1960ss 6 4,606
1970ss 48 10,481
1980ss 352 18,375
1990ss 1,207 40,268
2000ss 2,622 90,755
2010ss 2,025 94,547
2020ss 891 33,980

Recent Annual Births (2014–present)

Year Isai Isaac
2014 168 9,994
2015 197 9,986
2016 185 9,774
2017 195 8,891
2018 193 8,502
2019 207 8,228
2020 161 7,149
2021 168 6,982
2022 160 6,745
2023 198 6,606
2024 204 6,498

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, 1966–2024.

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