Isao vs Isaac

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

Name A

Isao

Boy name

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Name B

Isaac

Boy name · Rank #40

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Which name is more popular?

Metric Isao Isaac
Current Rank Unranked #40
Total Births (all years) 246 325,457
Peak Year 1925 2007
Peak Year Births 20 10,274
Peak Decade 1920ss 2010ss
Gender Boy Boy
First Recorded Year 1915 1880

Births by Decade

Decade Isao Isaac
1880ss — 2,311
1890ss — 1,735
1900ss — 1,638
1910ss 70 4,952
1920ss 128 6,552
1930ss 38 4,713
1940ss 5 5,065
1950ss — 5,479
1960ss — 4,606
1970ss — 10,481
1980ss — 18,375
1990ss — 40,268
2000ss — 90,755
2010ss 5 94,547
2020ss — 33,980

Recent Annual Births (2014–present)

Year Isao Isaac
2014 — 9,994
2015 — 9,986
2016 5 9,774
2017 — 8,891
2018 — 8,502
2019 — 8,228
2020 — 7,149
2021 — 6,982
2022 — 6,745
2023 — 6,606
2024 — 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, 1915–2016.

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