Isaac vs Isai

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

Name A

Isaac

Boy name · Rank #40

Full profile →
Name B

Isai

Boy name · Rank #1066

Full profile →

Which name is more popular?

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

Births by Decade

Decade Isaac Isai
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 4,606 6
1970ss 10,481 48
1980ss 18,375 352
1990ss 40,268 1,207
2000ss 90,755 2,622
2010ss 94,547 2,025
2020ss 33,980 891

Recent Annual Births (2014–present)

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

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.

← Compare different names