Isaiah vs Isai

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

Name A

Isaiah

Boy name · Rank #56

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Name B

Isai

Boy name · Rank #1066

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Which name is more popular?

Metric Isaiah Isai
Current Rank #56 #1066
Total Births (all years) 248,633 7,151
Peak Year 2006 2007
Peak Year Births 10,459 333
Peak Decade 2000ss 2000ss
Gender Boy Boy
First Recorded Year 1880 1966

Births by Decade

Decade Isaiah Isai
1880ss 304 —
1890ss 264 —
1900ss 263 —
1910ss 845 —
1920ss 1,262 —
1930ss 1,039 —
1940ss 1,193 —
1950ss 1,180 —
1960ss 727 6
1970ss 1,578 48
1980ss 6,708 352
1990ss 36,585 1,207
2000ss 92,782 2,622
2010ss 76,278 2,025
2020ss 27,625 891

Recent Annual Births (2014–present)

Year Isaiah Isai
2014 7,652 168
2015 7,655 197
2016 7,568 185
2017 7,255 195
2018 6,709 193
2019 6,211 207
2020 6,090 161
2021 5,718 168
2022 5,420 160
2023 5,147 198
2024 5,250 204

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, 1880–2024.

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